Sync zoneinfo database with tzdata2012g from ftp://ftp.iana.org/tz/releases
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CommitLineData
1# <pre>
2# This file is in the public domain, so clarified as of
3# 2009-05-17 by Arthur David Olson.
4
5# This data is by no means authoritative; if you think you know better,
6# go ahead and edit the file (and please send any changes to
7# tz@elsie.nci.nih.gov for general use in the future).
8
9# From Paul Eggert (2006-03-22):
10#
11# A good source for time zone historical data outside the U.S. is
12# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
13# San Diego: ACS Publications, Inc. (2003).
14#
15# Gwillim Law writes that a good source
16# for recent time zone data is the International Air Transport
17# Association's Standard Schedules Information Manual (IATA SSIM),
18# published semiannually. Law sent in several helpful summaries
19# of the IATA's data after 1990.
20#
21# Except where otherwise noted, Shanks & Pottenger is the source for
22# entries through 1990, and IATA SSIM is the source for entries afterwards.
23#
24# Another source occasionally used is Edward W. Whitman, World Time Differences,
25# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
26# I found in the UCLA library.
27#
28# A reliable and entertaining source about time zones is
29# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
30#
31# I invented the abbreviations marked `*' in the following table;
32# the rest are from earlier versions of this file, or from other sources.
33# Corrections are welcome!
34# std dst
35# LMT Local Mean Time
36# 2:00 EET EEST Eastern European Time
37# 2:00 IST IDT Israel
38# 3:00 AST ADT Arabia*
39# 3:30 IRST IRDT Iran
40# 4:00 GST Gulf*
41# 5:30 IST India
42# 7:00 ICT Indochina*
43# 7:00 WIT west Indonesia
44# 8:00 CIT central Indonesia
45# 8:00 CST China
46# 9:00 CJT Central Japanese Time (1896/1937)*
47# 9:00 EIT east Indonesia
48# 9:00 JST JDT Japan
49# 9:00 KST KDT Korea
50# 9:30 CST (Australian) Central Standard Time
51#
52# See the `europe' file for Russia and Turkey in Asia.
53
54# From Guy Harris:
55# Incorporates data for Singapore from Robert Elz' asia 1.1, as well as
56# additional information from Tom Yap, Sun Microsystems Intercontinental
57# Technical Support (including a page from the Official Airline Guide -
58# Worldwide Edition). The names for time zones are guesses.
59
60###############################################################################
61
62# These rules are stolen from the `europe' file.
63# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
64Rule EUAsia 1981 max - Mar lastSun 1:00u 1:00 S
65Rule EUAsia 1979 1995 - Sep lastSun 1:00u 0 -
66Rule EUAsia 1996 max - Oct lastSun 1:00u 0 -
67Rule E-EurAsia 1981 max - Mar lastSun 0:00 1:00 S
68Rule E-EurAsia 1979 1995 - Sep lastSun 0:00 0 -
69Rule E-EurAsia 1996 max - Oct lastSun 0:00 0 -
70Rule RussiaAsia 1981 1984 - Apr 1 0:00 1:00 S
71Rule RussiaAsia 1981 1983 - Oct 1 0:00 0 -
72Rule RussiaAsia 1984 1991 - Sep lastSun 2:00s 0 -
73Rule RussiaAsia 1985 1991 - Mar lastSun 2:00s 1:00 S
74Rule RussiaAsia 1992 only - Mar lastSat 23:00 1:00 S
75Rule RussiaAsia 1992 only - Sep lastSat 23:00 0 -
76Rule RussiaAsia 1993 max - Mar lastSun 2:00s 1:00 S
77Rule RussiaAsia 1993 1995 - Sep lastSun 2:00s 0 -
78Rule RussiaAsia 1996 max - Oct lastSun 2:00s 0 -
79
80# Afghanistan
81# Zone NAME GMTOFF RULES FORMAT [UNTIL]
82Zone Asia/Kabul 4:36:48 - LMT 1890
83 4:00 - AFT 1945
84 4:30 - AFT
85
86# Armenia
87# From Paul Eggert (2006-03-22):
88# Shanks & Pottenger have Yerevan switching to 3:00 (with Russian DST)
89# in spring 1991, then to 4:00 with no DST in fall 1995, then
90# readopting Russian DST in 1997. Go with Shanks & Pottenger, even
91# when they disagree with others. Edgar Der-Danieliantz
92# reported (1996-05-04) that Yerevan probably wouldn't use DST
93# in 1996, though it did use DST in 1995. IATA SSIM (1991/1998) reports that
94# Armenia switched from 3:00 to 4:00 in 1998 and observed DST after 1991,
95# but started switching at 3:00s in 1998.
96
97# From Arthur David Olson (2011-06-15):
98# While Russia abandoned DST in 2011, Armenia may choose to
99# follow Russia's "old" rules.
100
101# From Alexander Krivenyshev (2012-02-10):
102# According to News Armenia, on Feb 9, 2012,
103# http://newsarmenia.ru/society/20120209/42609695.html
104#
105# The Armenia National Assembly adopted final reading of Amendments to the
106# Law "On procedure of calculation time on the territory of the Republic of
107# Armenia" according to which Armenia [is] abolishing Daylight Saving Time.
108# or
109# (brief)
110# http://www.worldtimezone.com/dst_news/dst_news_armenia03.html
111# Zone NAME GMTOFF RULES FORMAT [UNTIL]
112Zone Asia/Yerevan 2:58:00 - LMT 1924 May 2
113 3:00 - YERT 1957 Mar # Yerevan Time
114 4:00 RussiaAsia YER%sT 1991 Mar 31 2:00s
115 3:00 1:00 YERST 1991 Sep 23 # independence
116 3:00 RussiaAsia AM%sT 1995 Sep 24 2:00s
117 4:00 - AMT 1997
118 4:00 RussiaAsia AM%sT 2012 Mar 25 2:00s
119 4:00 - AMT
120
121# Azerbaijan
122# From Rustam Aliyev of the Azerbaijan Internet Forum (2005-10-23):
123# According to the resolution of Cabinet of Ministers, 1997
124# Resolution available at: http://aif.az/docs/daylight_res.pdf
125# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
126Rule Azer 1997 max - Mar lastSun 4:00 1:00 S
127Rule Azer 1997 max - Oct lastSun 5:00 0 -
128# Zone NAME GMTOFF RULES FORMAT [UNTIL]
129Zone Asia/Baku 3:19:24 - LMT 1924 May 2
130 3:00 - BAKT 1957 Mar # Baku Time
131 4:00 RussiaAsia BAK%sT 1991 Mar 31 2:00s
132 3:00 1:00 BAKST 1991 Aug 30 # independence
133 3:00 RussiaAsia AZ%sT 1992 Sep lastSat 23:00
134 4:00 - AZT 1996 # Azerbaijan time
135 4:00 EUAsia AZ%sT 1997
136 4:00 Azer AZ%sT
137
138# Bahrain
139# Zone NAME GMTOFF RULES FORMAT [UNTIL]
140Zone Asia/Bahrain 3:22:20 - LMT 1920 # Al Manamah
141 4:00 - GST 1972 Jun
142 3:00 - AST
143
144# Bangladesh
145# From Alexander Krivenyshev (2009-05-13):
146# According to newspaper Asian Tribune (May 6, 2009) Bangladesh may introduce
147# Daylight Saving Time from June 16 to Sept 30
148#
149# Bangladesh to introduce daylight saving time likely from June 16
150# <a href="http://www.asiantribune.com/?q=node/17288">
151# http://www.asiantribune.com/?q=node/17288
152# </a>
153# or
154# <a href="http://www.worldtimezone.com/dst_news/dst_news_bangladesh02.html">
155# http://www.worldtimezone.com/dst_news/dst_news_bangladesh02.html
156# </a>
157#
158# "... Bangladesh government has decided to switch daylight saving time from
159# June
160# 16 till September 30 in a bid to ensure maximum use of daylight to cope with
161# crippling power crisis. "
162#
163# The switch will remain in effect from June 16 to Sept 30 (2009) but if
164# implemented the next year, it will come in force from April 1, 2010
165
166# From Steffen Thorsen (2009-06-02):
167# They have finally decided now, but changed the start date to midnight between
168# the 19th and 20th, and they have not set the end date yet.
169#
170# Some sources:
171# <a href="http://in.reuters.com/article/southAsiaNews/idINIndia-40017620090601">
172# http://in.reuters.com/article/southAsiaNews/idINIndia-40017620090601
173# </a>
174# <a href="http://bdnews24.com/details.php?id=85889&cid=2">
175# http://bdnews24.com/details.php?id=85889&cid=2
176# </a>
177#
178# Our wrap-up:
179# <a href="http://www.timeanddate.com/news/time/bangladesh-daylight-saving-2009.html">
180# http://www.timeanddate.com/news/time/bangladesh-daylight-saving-2009.html
181# </a>
182
183# From A. N. M. Kamrus Saadat (2009-06-15):
184# Finally we've got the official mail regarding DST start time where DST start
185# time is mentioned as Jun 19 2009, 23:00 from BTRC (Bangladesh
186# Telecommunication Regulatory Commission).
187#
188# No DST end date has been announced yet.
189
190# From Alexander Krivenyshev (2009-09-25):
191# Bangladesh won't go back to Standard Time from October 1, 2009,
192# instead it will continue DST measure till the cabinet makes a fresh decision.
193#
194# Following report by same newspaper-"The Daily Star Friday":
195# "DST change awaits cabinet decision-Clock won't go back by 1-hr from Oct 1"
196# <a href="http://www.thedailystar.net/newDesign/news-details.php?nid=107021">
197# http://www.thedailystar.net/newDesign/news-details.php?nid=107021
198# </a>
199# or
200# <a href="http://www.worldtimezone.com/dst_news/dst_news_bangladesh04.html">
201# http://www.worldtimezone.com/dst_news/dst_news_bangladesh04.html
202# </a>
203
204# From Steffen Thorsen (2009-10-13):
205# IANS (Indo-Asian News Service) now reports:
206# Bangladesh has decided that the clock advanced by an hour to make
207# maximum use of daylight hours as an energy saving measure would
208# "continue for an indefinite period."
209#
210# One of many places where it is published:
211# <a href="http://www.thaindian.com/newsportal/business/bangladesh-to-continue-indefinitely-with-advanced-time_100259987.html">
212# http://www.thaindian.com/newsportal/business/bangladesh-to-continue-indefinitely-with-advanced-time_100259987.html
213# </a>
214
215# From Alexander Krivenyshev (2009-12-24):
216# According to Bangladesh newspaper "The Daily Star,"
217# Bangladesh will change its clock back to Standard Time on Dec 31, 2009.
218#
219# Clock goes back 1-hr on Dec 31 night.
220# <a href="http://www.thedailystar.net/newDesign/news-details.php?nid=119228">
221# http://www.thedailystar.net/newDesign/news-details.php?nid=119228
222# </a>
223# and
224# <a href="http://www.worldtimezone.com/dst_news/dst_news_bangladesh05.html">
225# http://www.worldtimezone.com/dst_news/dst_news_bangladesh05.html
226# </a>
227#
228# "...The government yesterday decided to put the clock back by one hour
229# on December 31 midnight and the new time will continue until March 31,
230# 2010 midnight. The decision came at a cabinet meeting at the Prime
231# Minister's Office last night..."
232
233# From Alexander Krivenyshev (2010-03-22):
234# According to Bangladesh newspaper "The Daily Star,"
235# Cabinet cancels Daylight Saving Time
236# <a href="http://www.thedailystar.net/newDesign/latest_news.php?nid=22817">
237# http://www.thedailystar.net/newDesign/latest_news.php?nid=22817
238# </a>
239# or
240# <a href="http://www.worldtimezone.com/dst_news/dst_news_bangladesh06.html">
241# http://www.worldtimezone.com/dst_news/dst_news_bangladesh06.html
242# </a>
243
244# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
245Rule Dhaka 2009 only - Jun 19 23:00 1:00 S
246Rule Dhaka 2009 only - Dec 31 23:59 0 -
247
248# Zone NAME GMTOFF RULES FORMAT [UNTIL]
249Zone Asia/Dhaka 6:01:40 - LMT 1890
250 5:53:20 - HMT 1941 Oct # Howrah Mean Time?
251 6:30 - BURT 1942 May 15 # Burma Time
252 5:30 - IST 1942 Sep
253 6:30 - BURT 1951 Sep 30
254 6:00 - DACT 1971 Mar 26 # Dacca Time
255 6:00 - BDT 2009
256 6:00 Dhaka BD%sT
257
258# Bhutan
259# Zone NAME GMTOFF RULES FORMAT [UNTIL]
260Zone Asia/Thimphu 5:58:36 - LMT 1947 Aug 15 # or Thimbu
261 5:30 - IST 1987 Oct
262 6:00 - BTT # Bhutan Time
263
264# British Indian Ocean Territory
265# Whitman and the 1995 CIA time zone map say 5:00, but the
266# 1997 and later maps say 6:00. Assume the switch occurred in 1996.
267# We have no information as to when standard time was introduced;
268# assume it occurred in 1907, the same year as Mauritius (which
269# then contained the Chagos Archipelago).
270# Zone NAME GMTOFF RULES FORMAT [UNTIL]
271Zone Indian/Chagos 4:49:40 - LMT 1907
272 5:00 - IOT 1996 # BIOT Time
273 6:00 - IOT
274
275# Brunei
276# Zone NAME GMTOFF RULES FORMAT [UNTIL]
277Zone Asia/Brunei 7:39:40 - LMT 1926 Mar # Bandar Seri Begawan
278 7:30 - BNT 1933
279 8:00 - BNT
280
281# Burma / Myanmar
282# Zone NAME GMTOFF RULES FORMAT [UNTIL]
283Zone Asia/Rangoon 6:24:40 - LMT 1880 # or Yangon
284 6:24:36 - RMT 1920 # Rangoon Mean Time?
285 6:30 - BURT 1942 May # Burma Time
286 9:00 - JST 1945 May 3
287 6:30 - MMT # Myanmar Time
288
289# Cambodia
290# Zone NAME GMTOFF RULES FORMAT [UNTIL]
291Zone Asia/Phnom_Penh 6:59:40 - LMT 1906 Jun 9
292 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT?
293 7:00 - ICT 1912 May
294 8:00 - ICT 1931 May
295 7:00 - ICT
296
297# China
298
299# From Guy Harris:
300# People's Republic of China. Yes, they really have only one time zone.
301
302# From Bob Devine (1988-01-28):
303# No they don't. See TIME mag, 1986-02-17 p.52. Even though
304# China is across 4 physical time zones, before Feb 1, 1986 only the
305# Peking (Bejing) time zone was recognized. Since that date, China
306# has two of 'em -- Peking's and Urumqi (named after the capital of
307# the Xinjiang Uyghur Autonomous Region). I don't know about DST for it.
308#
309# . . .I just deleted the DST table and this editor makes it too
310# painful to suck in another copy.. So, here is what I have for
311# DST start/end dates for Peking's time zone (info from AP):
312#
313# 1986 May 4 - Sept 14
314# 1987 mid-April - ??
315
316# From U. S. Naval Observatory (1989-01-19):
317# CHINA 8 H AHEAD OF UTC ALL OF CHINA, INCL TAIWAN
318# CHINA 9 H AHEAD OF UTC APR 17 - SEP 10
319
320# From Paul Eggert (2006-03-22):
321# Shanks & Pottenger write that China (except for Hong Kong and Macau)
322# has had a single time zone since 1980 May 1, observing summer DST
323# from 1986 through 1991; this contradicts Devine's
324# note about Time magazine, though apparently _something_ happened in 1986.
325# Go with Shanks & Pottenger for now. I made up names for the other
326# pre-1980 time zones.
327
328# From Shanks & Pottenger:
329# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
330Rule Shang 1940 only - Jun 3 0:00 1:00 D
331Rule Shang 1940 1941 - Oct 1 0:00 0 S
332Rule Shang 1941 only - Mar 16 0:00 1:00 D
333Rule PRC 1986 only - May 4 0:00 1:00 D
334Rule PRC 1986 1991 - Sep Sun>=11 0:00 0 S
335Rule PRC 1987 1991 - Apr Sun>=10 0:00 1:00 D
336
337# From Anthony Fok (2001-12-20):
338# BTW, I did some research on-line and found some info regarding these five
339# historic timezones from some Taiwan websites. And yes, there are official
340# Chinese names for these locales (before 1949).
341#
342# From Jesper Norgaard Welen (2006-07-14):
343# I have investigated the timezones around 1970 on the
344# http://www.astro.com/atlas site [with provinces and county
345# boundaries summarized below].... A few other exceptions were two
346# counties on the Sichuan side of the Xizang-Sichuan border,
347# counties Dege and Baiyu which lies on the Sichuan side and are
348# therefore supposed to be GMT+7, Xizang region being GMT+6, but Dege
349# county is GMT+8 according to astro.com while Baiyu county is GMT+6
350# (could be true), for the moment I am assuming that those two
351# counties are mistakes in the astro.com data.
352
353# From Paul Eggert (2008-02-11):
354# I just now checked Google News for western news sources that talk
355# about China's single time zone, and couldn't find anything before 1986
356# talking about China being in one time zone. (That article was: Jim
357# Mann, "A clumsy embrace for another western custom: China on daylight
358# time--sort of", Los Angeles Times, 1986-05-05. By the way, this
359# article confirms the tz database's data claiming that China began
360# observing daylight saving time in 1986.
361#
362# From Thomas S. Mullaney (2008-02-11):
363# I think you're combining two subjects that need to treated
364# separately: daylight savings (which, you're correct, wasn't
365# implemented until the 1980s) and the unified time zone centered near
366# Beijing (which was implemented in 1949). Briefly, there was also a
367# "Lhasa Time" in Tibet and "Urumqi Time" in Xinjiang. The first was
368# ceased, and the second eventually recognized (again, in the 1980s).
369#
370# From Paul Eggert (2008-06-30):
371# There seems to be a good chance China switched to a single time zone in 1949
372# rather than in 1980 as Shanks & Pottenger have it, but we don't have a
373# reliable documentary source saying so yet, so for now we still go with
374# Shanks & Pottenger.
375
376# Zone NAME GMTOFF RULES FORMAT [UNTIL]
377# Changbai Time ("Long-white Time", Long-white = Heilongjiang area)
378# Heilongjiang (except Mohe county), Jilin
379Zone Asia/Harbin 8:26:44 - LMT 1928 # or Haerbin
380 8:30 - CHAT 1932 Mar # Changbai Time
381 8:00 - CST 1940
382 9:00 - CHAT 1966 May
383 8:30 - CHAT 1980 May
384 8:00 PRC C%sT
385# Zhongyuan Time ("Central plain Time")
386# most of China
387Zone Asia/Shanghai 8:05:52 - LMT 1928
388 8:00 Shang C%sT 1949
389 8:00 PRC C%sT
390# Long-shu Time (probably due to Long and Shu being two names of that area)
391# Guangxi, Guizhou, Hainan, Ningxia, Sichuan, Shaanxi, and Yunnan;
392# most of Gansu; west Inner Mongolia; west Qinghai; and the Guangdong
393# counties Deqing, Enping, Kaiping, Luoding, Taishan, Xinxing,
394# Yangchun, Yangjiang, Yu'nan, and Yunfu.
395Zone Asia/Chongqing 7:06:20 - LMT 1928 # or Chungking
396 7:00 - LONT 1980 May # Long-shu Time
397 8:00 PRC C%sT
398# Xin-zang Time ("Xinjiang-Tibet Time")
399# The Gansu counties Aksay, Anxi, Dunhuang, Subei; west Qinghai;
400# the Guangdong counties Xuwen, Haikang, Suixi, Lianjiang,
401# Zhanjiang, Wuchuan, Huazhou, Gaozhou, Maoming, Dianbai, and Xinyi;
402# east Tibet, including Lhasa, Chamdo, Shigaise, Jimsar, Shawan and Hutubi;
403# east Xinjiang, including Urumqi, Turpan, Karamay, Korla, Minfeng, Jinghe,
404# Wusu, Qiemo, Xinyan, Wulanwusu, Jinghe, Yumin, Tacheng, Tuoli, Emin,
405# Shihezi, Changji, Yanqi, Heshuo, Tuokexun, Tulufan, Shanshan, Hami,
406# Fukang, Kuitun, Kumukuli, Miquan, Qitai, and Turfan.
407Zone Asia/Urumqi 5:50:20 - LMT 1928 # or Urumchi
408 6:00 - URUT 1980 May # Urumqi Time
409 8:00 PRC C%sT
410# Kunlun Time
411# West Tibet, including Pulan, Aheqi, Shufu, Shule;
412# West Xinjiang, including Aksu, Atushi, Yining, Hetian, Cele, Luopu, Nileke,
413# Zhaosu, Tekesi, Gongliu, Chabuchaer, Huocheng, Bole, Pishan, Suiding,
414# and Yarkand.
415
416# From Luther Ma (2009-10-17):
417# Almost all (>99.9%) ethnic Chinese (properly ethnic Han) living in
418# Xinjiang use Chinese Standard Time. Some are aware of Xinjiang time,
419# but have no need of it. All planes, trains, and schools function on
420# what is called "Beijing time." When Han make an appointment in Chinese
421# they implicitly use Beijing time.
422#
423# On the other hand, ethnic Uyghurs, who make up about half the
424# population of Xinjiang, typically use "Xinjiang time" which is two
425# hours behind Beijing time, or UTC +0600. The government of the Xinjiang
426# Uyghur Autonomous Region, (XAUR, or just Xinjiang for short) as well as
427# local governments such as the Urumqi city government use both times in
428# publications, referring to what is popularly called Xinjiang time as
429# "Urumqi time." When Uyghurs make an appointment in the Uyghur language
430# they almost invariably use Xinjiang time.
431#
432# (Their ethnic Han compatriots would typically have no clue of its
433# widespread use, however, because so extremely few of them are fluent in
434# Uyghur, comparable to the number of Anglo-Americans fluent in Navajo.)
435#
436# (...As with the rest of China there was a brief interval ending in 1990
437# or 1991 when summer time was in use. The confusion was severe, with
438# the province not having dual times but four times in use at the same
439# time. Some areas remained on standard Xinjiang time or Beijing time and
440# others moving their clocks ahead.)
441#
442# ...an example of an official website using of Urumqi time.
443#
444# The first few lines of the Google translation of
445# <a href="http://www.fjysgl.gov.cn/show.aspx?id=2379&cid=39">
446# http://www.fjysgl.gov.cn/show.aspx?id=2379&cid=39
447# </a>
448# (retrieved 2009-10-13)
449# > Urumqi fire seven people are missing the alleged losses of at least
450# > 500 million yuan
451# >
452# > (Reporter Dong Liu) the day before 20:20 or so (Urumqi Time 18:20),
453# > Urumqi City Department of International Plaza Luther Qiantang River
454# > burst fire. As of yesterday, 18:30, Urumqi City Fire officers and men
455# > have worked continuously for 22 hours...
456
457# From Luther Ma (2009-11-19):
458# With the risk of being redundant to previous answers these are the most common
459# English "transliterations" (w/o using non-English symbols):
460#
461# 1. Wulumuqi...
462# 2. Kashi...
463# 3. Urumqi...
464# 4. Kashgar...
465# ...
466# 5. It seems that Uyghurs in Urumqi has been using Xinjiang since at least the
467# 1960's. I know of one Han, now over 50, who grew up in the surrounding
468# countryside and used Xinjiang time as a child.
469#
470# 6. Likewise for Kashgar and the rest of south Xinjiang I don't know of any
471# start date for Xinjiang time.
472#
473# Without having access to local historical records, nor the ability to legally
474# publish them, I would go with October 1, 1949, when Xinjiang became the Uyghur
475# Autonomous Region under the PRC. (Before that Uyghurs, of course, would also
476# not be using Beijing time, but some local time.)
477
478Zone Asia/Kashgar 5:03:56 - LMT 1928 # or Kashi or Kaxgar
479 5:30 - KAST 1940 # Kashgar Time
480 5:00 - KAST 1980 May
481 8:00 PRC C%sT
482
483
484# From Lee Yiu Chung (2009-10-24):
485# I found there are some mistakes for the...DST rule for Hong
486# Kong. [According] to the DST record from Hong Kong Observatory (actually,
487# it is not [an] observatory, but the official meteorological agency of HK,
488# and also serves as the official timing agency), there are some missing
489# and incorrect rules. Although the exact switch over time is missing, I
490# think 3:30 is correct. The official DST record for Hong Kong can be
491# obtained from
492# <a href="http://www.hko.gov.hk/gts/time/Summertime.htm">
493# http://www.hko.gov.hk/gts/time/Summertime.htm
494# </a>.
495
496# From Arthur David Olson (2009-10-28):
497# Here are the dates given at
498# <a href="http://www.hko.gov.hk/gts/time/Summertime.htm">
499# http://www.hko.gov.hk/gts/time/Summertime.htm
500# </a>
501# as of 2009-10-28:
502# Year Period
503# 1941 1 Apr to 30 Sep
504# 1942 Whole year
505# 1943 Whole year
506# 1944 Whole year
507# 1945 Whole year
508# 1946 20 Apr to 1 Dec
509# 1947 13 Apr to 30 Dec
510# 1948 2 May to 31 Oct
511# 1949 3 Apr to 30 Oct
512# 1950 2 Apr to 29 Oct
513# 1951 1 Apr to 28 Oct
514# 1952 6 Apr to 25 Oct
515# 1953 5 Apr to 1 Nov
516# 1954 21 Mar to 31 Oct
517# 1955 20 Mar to 6 Nov
518# 1956 18 Mar to 4 Nov
519# 1957 24 Mar to 3 Nov
520# 1958 23 Mar to 2 Nov
521# 1959 22 Mar to 1 Nov
522# 1960 20 Mar to 6 Nov
523# 1961 19 Mar to 5 Nov
524# 1962 18 Mar to 4 Nov
525# 1963 24 Mar to 3 Nov
526# 1964 22 Mar to 1 Nov
527# 1965 18 Apr to 17 Oct
528# 1966 17 Apr to 16 Oct
529# 1967 16 Apr to 22 Oct
530# 1968 21 Apr to 20 Oct
531# 1969 20 Apr to 19 Oct
532# 1970 19 Apr to 18 Oct
533# 1971 18 Apr to 17 Oct
534# 1972 16 Apr to 22 Oct
535# 1973 22 Apr to 21 Oct
536# 1973/74 30 Dec 73 to 20 Oct 74
537# 1975 20 Apr to 19 Oct
538# 1976 18 Apr to 17 Oct
539# 1977 Nil
540# 1978 Nil
541# 1979 13 May to 21 Oct
542# 1980 to Now Nil
543# The page does not give start or end times of day.
544# The page does not give a start date for 1942.
545# The page does not givw an end date for 1945.
546# The Japanese occupation of Hong Kong began on 1941-12-25.
547# The Japanese surrender of Hong Kong was signed 1945-09-15.
548# For lack of anything better, use start of those days as the transition times.
549
550# Hong Kong (Xianggang)
551# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
552Rule HK 1941 only - Apr 1 3:30 1:00 S
553Rule HK 1941 only - Sep 30 3:30 0 -
554Rule HK 1946 only - Apr 20 3:30 1:00 S
555Rule HK 1946 only - Dec 1 3:30 0 -
556Rule HK 1947 only - Apr 13 3:30 1:00 S
557Rule HK 1947 only - Dec 30 3:30 0 -
558Rule HK 1948 only - May 2 3:30 1:00 S
559Rule HK 1948 1951 - Oct lastSun 3:30 0 -
560Rule HK 1952 only - Oct 25 3:30 0 -
561Rule HK 1949 1953 - Apr Sun>=1 3:30 1:00 S
562Rule HK 1953 only - Nov 1 3:30 0 -
563Rule HK 1954 1964 - Mar Sun>=18 3:30 1:00 S
564Rule HK 1954 only - Oct 31 3:30 0 -
565Rule HK 1955 1964 - Nov Sun>=1 3:30 0 -
566Rule HK 1965 1976 - Apr Sun>=16 3:30 1:00 S
567Rule HK 1965 1976 - Oct Sun>=16 3:30 0 -
568Rule HK 1973 only - Dec 30 3:30 1:00 S
569Rule HK 1979 only - May Sun>=8 3:30 1:00 S
570Rule HK 1979 only - Oct Sun>=16 3:30 0 -
571# Zone NAME GMTOFF RULES FORMAT [UNTIL]
572Zone Asia/Hong_Kong 7:36:36 - LMT 1904 Oct 30
573 8:00 HK HK%sT 1941 Dec 25
574 9:00 - JST 1945 Sep 15
575 8:00 HK HK%sT
576
577###############################################################################
578
579# Taiwan
580
581# Shanks & Pottenger write that Taiwan observed DST during 1945, when it
582# was still controlled by Japan. This is hard to believe, but we don't
583# have any other information.
584
585# From smallufo (2010-04-03):
586# According to Taiwan's CWB,
587# <a href="http://www.cwb.gov.tw/V6/astronomy/cdata/summert.htm">
588# http://www.cwb.gov.tw/V6/astronomy/cdata/summert.htm
589# </a>
590# Taipei has DST in 1979 between July 1st and Sep 30.
591
592# From Arthur David Olson (2010-04-07):
593# Here's Google's translation of the table at the bottom of the "summert.htm" page:
594# Decade Name Start and end date
595# Republic of China 34 years to 40 years (AD 1945-1951 years) Summer Time May 1 to September 30
596# 41 years of the Republic of China (AD 1952) Daylight Saving Time March 1 to October 31
597# Republic of China 42 years to 43 years (AD 1953-1954 years) Daylight Saving Time April 1 to October 31
598# In the 44 years to 45 years (AD 1955-1956 years) Daylight Saving Time April 1 to September 30
599# Republic of China 46 years to 48 years (AD 1957-1959) Summer Time April 1 to September 30
600# Republic of China 49 years to 50 years (AD 1960-1961) Summer Time June 1 to September 30
601# Republic of China 51 years to 62 years (AD 1962-1973 years) Stop Summer Time
602# Republic of China 63 years to 64 years (1974-1975 AD) Daylight Saving Time April 1 to September 30
603# Republic of China 65 years to 67 years (1976-1978 AD) Stop Daylight Saving Time
604# Republic of China 68 years (AD 1979) Daylight Saving Time July 1 to September 30
605# Republic of China since 69 years (AD 1980) Stop Daylight Saving Time
606
607# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
608Rule Taiwan 1945 1951 - May 1 0:00 1:00 D
609Rule Taiwan 1945 1951 - Oct 1 0:00 0 S
610Rule Taiwan 1952 only - Mar 1 0:00 1:00 D
611Rule Taiwan 1952 1954 - Nov 1 0:00 0 S
612Rule Taiwan 1953 1959 - Apr 1 0:00 1:00 D
613Rule Taiwan 1955 1961 - Oct 1 0:00 0 S
614Rule Taiwan 1960 1961 - Jun 1 0:00 1:00 D
615Rule Taiwan 1974 1975 - Apr 1 0:00 1:00 D
616Rule Taiwan 1974 1975 - Oct 1 0:00 0 S
617Rule Taiwan 1979 only - Jun 30 0:00 1:00 D
618Rule Taiwan 1979 only - Sep 30 0:00 0 S
619
620# Zone NAME GMTOFF RULES FORMAT [UNTIL]
621Zone Asia/Taipei 8:06:00 - LMT 1896 # or Taibei or T'ai-pei
622 8:00 Taiwan C%sT
623
624# Macau (Macao, Aomen)
625# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
626Rule Macau 1961 1962 - Mar Sun>=16 3:30 1:00 S
627Rule Macau 1961 1964 - Nov Sun>=1 3:30 0 -
628Rule Macau 1963 only - Mar Sun>=16 0:00 1:00 S
629Rule Macau 1964 only - Mar Sun>=16 3:30 1:00 S
630Rule Macau 1965 only - Mar Sun>=16 0:00 1:00 S
631Rule Macau 1965 only - Oct 31 0:00 0 -
632Rule Macau 1966 1971 - Apr Sun>=16 3:30 1:00 S
633Rule Macau 1966 1971 - Oct Sun>=16 3:30 0 -
634Rule Macau 1972 1974 - Apr Sun>=15 0:00 1:00 S
635Rule Macau 1972 1973 - Oct Sun>=15 0:00 0 -
636Rule Macau 1974 1977 - Oct Sun>=15 3:30 0 -
637Rule Macau 1975 1977 - Apr Sun>=15 3:30 1:00 S
638Rule Macau 1978 1980 - Apr Sun>=15 0:00 1:00 S
639Rule Macau 1978 1980 - Oct Sun>=15 0:00 0 -
640# Zone NAME GMTOFF RULES FORMAT [UNTIL]
641Zone Asia/Macau 7:34:20 - LMT 1912
642 8:00 Macau MO%sT 1999 Dec 20 # return to China
643 8:00 PRC C%sT
644
645
646###############################################################################
647
648# Cyprus
649# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
650Rule Cyprus 1975 only - Apr 13 0:00 1:00 S
651Rule Cyprus 1975 only - Oct 12 0:00 0 -
652Rule Cyprus 1976 only - May 15 0:00 1:00 S
653Rule Cyprus 1976 only - Oct 11 0:00 0 -
654Rule Cyprus 1977 1980 - Apr Sun>=1 0:00 1:00 S
655Rule Cyprus 1977 only - Sep 25 0:00 0 -
656Rule Cyprus 1978 only - Oct 2 0:00 0 -
657Rule Cyprus 1979 1997 - Sep lastSun 0:00 0 -
658Rule Cyprus 1981 1998 - Mar lastSun 0:00 1:00 S
659# Zone NAME GMTOFF RULES FORMAT [UNTIL]
660Zone Asia/Nicosia 2:13:28 - LMT 1921 Nov 14
661 2:00 Cyprus EE%sT 1998 Sep
662 2:00 EUAsia EE%sT
663# IATA SSIM (1998-09) has Cyprus using EU rules for the first time.
664
665# Classically, Cyprus belongs to Asia; e.g. see Herodotus, Histories, I.72.
666# However, for various reasons many users expect to find it under Europe.
667Link Asia/Nicosia Europe/Nicosia
668
669# Georgia
670# From Paul Eggert (1994-11-19):
671# Today's _Economist_ (p 60) reports that Georgia moved its clocks forward
672# an hour recently, due to a law proposed by Zurab Murvanidze,
673# an MP who went on a hunger strike for 11 days to force discussion about it!
674# We have no details, but we'll guess they didn't move the clocks back in fall.
675#
676# From Mathew Englander, quoting AP (1996-10-23 13:05-04):
677# Instead of putting back clocks at the end of October, Georgia
678# will stay on daylight savings time this winter to save energy,
679# President Eduard Shevardnadze decreed Wednesday.
680#
681# From the BBC via Joseph S. Myers (2004-06-27):
682#
683# Georgia moved closer to Western Europe on Sunday... The former Soviet
684# republic has changed its time zone back to that of Moscow. As a result it
685# is now just four hours ahead of Greenwich Mean Time, rather than five hours
686# ahead. The switch was decreed by the pro-Western president of Georgia,
687# Mikhail Saakashvili, who said the change was partly prompted by the process
688# of integration into Europe.
689
690# From Teimuraz Abashidze (2005-11-07):
691# Government of Georgia ... decided to NOT CHANGE daylight savings time on
692# [Oct.] 30, as it was done before during last more than 10 years.
693# Currently, we are in fact GMT +4:00, as before 30 October it was GMT
694# +3:00.... The problem is, there is NO FORMAL LAW or governmental document
695# about it. As far as I can find, I was told, that there is no document,
696# because we just DIDN'T ISSUE document about switching to winter time....
697# I don't know what can be done, especially knowing that some years ago our
698# DST rules where changed THREE TIMES during one month.
699
700
701# Zone NAME GMTOFF RULES FORMAT [UNTIL]
702Zone Asia/Tbilisi 2:59:16 - LMT 1880
703 2:59:16 - TBMT 1924 May 2 # Tbilisi Mean Time
704 3:00 - TBIT 1957 Mar # Tbilisi Time
705 4:00 RussiaAsia TBI%sT 1991 Mar 31 2:00s
706 3:00 1:00 TBIST 1991 Apr 9 # independence
707 3:00 RussiaAsia GE%sT 1992 # Georgia Time
708 3:00 E-EurAsia GE%sT 1994 Sep lastSun
709 4:00 E-EurAsia GE%sT 1996 Oct lastSun
710 4:00 1:00 GEST 1997 Mar lastSun
711 4:00 E-EurAsia GE%sT 2004 Jun 27
712 3:00 RussiaAsia GE%sT 2005 Mar lastSun 2:00
713 4:00 - GET
714
715# East Timor
716
717# See Indonesia for the 1945 transition.
718
719# From Joao Carrascalao, brother of the former governor of East Timor, in
720# <a href="http://etan.org/et99c/december/26-31/30ETMAY.htm">
721# East Timor may be late for its millennium
722# </a> (1999-12-26/31):
723# Portugal tried to change the time forward in 1974 because the sun
724# rises too early but the suggestion raised a lot of problems with the
725# Timorese and I still don't think it would work today because it
726# conflicts with their way of life.
727
728# From Paul Eggert (2000-12-04):
729# We don't have any record of the above attempt.
730# Most likely our records are incomplete, but we have no better data.
731
732# <a href="http://www.hri.org/news/world/undh/last/00-08-16.undh.html">
733# From Manoel de Almeida e Silva, Deputy Spokesman for the UN Secretary-General
734# (2000-08-16)</a>:
735# The Cabinet of the East Timor Transition Administration decided
736# today to advance East Timor's time by one hour. The time change,
737# which will be permanent, with no seasonal adjustment, will happen at
738# midnight on Saturday, September 16.
739
740# Zone NAME GMTOFF RULES FORMAT [UNTIL]
741Zone Asia/Dili 8:22:20 - LMT 1912
742 8:00 - TLT 1942 Feb 21 23:00 # E Timor Time
743 9:00 - JST 1945 Sep 23
744 9:00 - TLT 1976 May 3
745 8:00 - CIT 2000 Sep 17 00:00
746 9:00 - TLT
747
748# India
749# Zone NAME GMTOFF RULES FORMAT [UNTIL]
750Zone Asia/Kolkata 5:53:28 - LMT 1880 # Kolkata
751 5:53:20 - HMT 1941 Oct # Howrah Mean Time?
752 6:30 - BURT 1942 May 15 # Burma Time
753 5:30 - IST 1942 Sep
754 5:30 1:00 IST 1945 Oct 15
755 5:30 - IST
756# The following are like Asia/Kolkata:
757# Andaman Is
758# Lakshadweep (Laccadive, Minicoy and Amindivi Is)
759# Nicobar Is
760
761# Indonesia
762#
763# From Gwillim Law (2001-05-28), overriding Shanks & Pottenger:
764# <http://www.sumatera-inc.com/go_to_invest/about_indonesia.asp#standtime>
765# says that Indonesia's time zones changed on 1988-01-01. Looking at some
766# time zone maps, I think that must refer to Western Borneo (Kalimantan Barat
767# and Kalimantan Tengah) switching from UTC+8 to UTC+7.
768#
769# From Paul Eggert (2007-03-10):
770# Here is another correction to Shanks & Pottenger.
771# JohnTWB writes that Japanese forces did not surrender control in
772# Indonesia until 1945-09-01 00:00 at the earliest (in Jakarta) and
773# other formal surrender ceremonies were September 9, 11, and 13, plus
774# September 12 for the regional surrender to Mountbatten in Singapore.
775# These would be the earliest possible times for a change.
776# Regimes horaires pour le monde entier, by Henri Le Corre, (Editions
777# Traditionnelles, 1987, Paris) says that Java and Madura switched
778# from JST to UTC+07:30 on 1945-09-23, and gives 1944-09-01 for Jayapura
779# (Hollandia). For now, assume all Indonesian locations other than Jayapura
780# switched on 1945-09-23.
781#
782# Zone NAME GMTOFF RULES FORMAT [UNTIL]
783Zone Asia/Jakarta 7:07:12 - LMT 1867 Aug 10
784# Shanks & Pottenger say the next transition was at 1924 Jan 1 0:13,
785# but this must be a typo.
786 7:07:12 - JMT 1923 Dec 31 23:47:12 # Jakarta
787 7:20 - JAVT 1932 Nov # Java Time
788 7:30 - WIT 1942 Mar 23
789 9:00 - JST 1945 Sep 23
790 7:30 - WIT 1948 May
791 8:00 - WIT 1950 May
792 7:30 - WIT 1964
793 7:00 - WIT
794Zone Asia/Pontianak 7:17:20 - LMT 1908 May
795 7:17:20 - PMT 1932 Nov # Pontianak MT
796 7:30 - WIT 1942 Jan 29
797 9:00 - JST 1945 Sep 23
798 7:30 - WIT 1948 May
799 8:00 - WIT 1950 May
800 7:30 - WIT 1964
801 8:00 - CIT 1988 Jan 1
802 7:00 - WIT
803Zone Asia/Makassar 7:57:36 - LMT 1920
804 7:57:36 - MMT 1932 Nov # Macassar MT
805 8:00 - CIT 1942 Feb 9
806 9:00 - JST 1945 Sep 23
807 8:00 - CIT
808Zone Asia/Jayapura 9:22:48 - LMT 1932 Nov
809 9:00 - EIT 1944 Sep 1
810 9:30 - CST 1964
811 9:00 - EIT
812
813# Iran
814
815# From Roozbeh Pournader (2003-03-15):
816# This is an English translation of what I just found (originally in Persian).
817# The Gregorian dates in brackets are mine:
818#
819# Official Newspaper No. 13548-1370/6/25 [1991-09-16]
820# No. 16760/T233 H 1370/6/10 [1991-09-01]
821#
822# The Rule About Change of the Official Time of the Country
823#
824# The Board of Ministers, in the meeting dated 1370/5/23 [1991-08-14],
825# based on the suggestion number 2221/D dated 1370/4/22 [1991-07-13]
826# of the Country's Organization for Official and Employment Affairs,
827# and referring to the law for equating the working hours of workers
828# and officers in the whole country dated 1359/4/23 [1980-07-14], and
829# for synchronizing the official times of the country, agreed that:
830#
831# The official time of the country will should move forward one hour
832# at the 24[:00] hours of the first day of Farvardin and should return
833# to its previous state at the 24[:00] hours of the 30th day of
834# Shahrivar.
835#
836# First Deputy to the President - Hassan Habibi
837#
838# From personal experience, that agrees with what has been followed
839# for at least the last 5 years. Before that, for a few years, the
840# date used was the first Thursday night of Farvardin and the last
841# Thursday night of Shahrivar, but I can't give exact dates....
842# I have also changed the abbreviations to what is considered correct
843# here in Iran, IRST for regular time and IRDT for daylight saving time.
844#
845# From Roozbeh Pournader (2005-04-05):
846# The text of the Iranian law, in effect since 1925, clearly mentions
847# that the true solar year is the measure, and there is no arithmetic
848# leap year calculation involved. There has never been any serious
849# plan to change that law....
850#
851# From Paul Eggert (2006-03-22):
852# Go with Shanks & Pottenger before Sept. 1991, and with Pournader thereafter.
853# I used Ed Reingold's cal-persia in GNU Emacs 21.2 to check Persian dates,
854# stopping after 2037 when 32-bit time_t's overflow.
855# That cal-persia used Birashk's approximation, which disagrees with the solar
856# calendar predictions for the year 2025, so I corrected those dates by hand.
857#
858# From Oscar van Vlijmen (2005-03-30), writing about future
859# discrepancies between cal-persia and the Iranian calendar:
860# For 2091 solar-longitude-after yields 2091-03-20 08:40:07.7 UT for
861# the vernal equinox and that gets so close to 12:00 some local
862# Iranian time that the definition of the correct location needs to be
863# known exactly, amongst other factors. 2157 is even closer:
864# 2157-03-20 08:37:15.5 UT. But the Gregorian year 2025 should give
865# no interpretation problem whatsoever. By the way, another instant
866# in the near future where there will be a discrepancy between
867# arithmetical and astronomical Iranian calendars will be in 2058:
868# vernal equinox on 2058-03-20 09:03:05.9 UT. The Java version of
869# Reingold's/Dershowitz' calculator gives correctly the Gregorian date
870# 2058-03-21 for 1 Farvardin 1437 (astronomical).
871#
872# From Steffen Thorsen (2006-03-22):
873# Several of my users have reported that Iran will not observe DST anymore:
874# http://www.irna.ir/en/news/view/line-17/0603193812164948.htm
875#
876# From Reuters (2007-09-16), with a heads-up from Jesper Norgaard Welen:
877# ... the Guardian Council ... approved a law on Sunday to re-introduce
878# daylight saving time ...
879# http://uk.reuters.com/article/oilRpt/idUKBLA65048420070916
880#
881# From Roozbeh Pournader (2007-11-05):
882# This is quoted from Official Gazette of the Islamic Republic of
883# Iran, Volume 63, Number 18242, dated Tuesday 1386/6/24
884# [2007-10-16]. I am doing the best translation I can:...
885# The official time of the country will be moved forward for one hour
886# on the 24 hours of the first day of the month of Farvardin and will
887# be changed back to its previous state on the 24 hours of the
888# thirtieth day of Shahrivar.
889#
890# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
891Rule Iran 1978 1980 - Mar 21 0:00 1:00 D
892Rule Iran 1978 only - Oct 21 0:00 0 S
893Rule Iran 1979 only - Sep 19 0:00 0 S
894Rule Iran 1980 only - Sep 23 0:00 0 S
895Rule Iran 1991 only - May 3 0:00 1:00 D
896Rule Iran 1992 1995 - Mar 22 0:00 1:00 D
897Rule Iran 1991 1995 - Sep 22 0:00 0 S
898Rule Iran 1996 only - Mar 21 0:00 1:00 D
899Rule Iran 1996 only - Sep 21 0:00 0 S
900Rule Iran 1997 1999 - Mar 22 0:00 1:00 D
901Rule Iran 1997 1999 - Sep 22 0:00 0 S
902Rule Iran 2000 only - Mar 21 0:00 1:00 D
903Rule Iran 2000 only - Sep 21 0:00 0 S
904Rule Iran 2001 2003 - Mar 22 0:00 1:00 D
905Rule Iran 2001 2003 - Sep 22 0:00 0 S
906Rule Iran 2004 only - Mar 21 0:00 1:00 D
907Rule Iran 2004 only - Sep 21 0:00 0 S
908Rule Iran 2005 only - Mar 22 0:00 1:00 D
909Rule Iran 2005 only - Sep 22 0:00 0 S
910Rule Iran 2008 only - Mar 21 0:00 1:00 D
911Rule Iran 2008 only - Sep 21 0:00 0 S
912Rule Iran 2009 2011 - Mar 22 0:00 1:00 D
913Rule Iran 2009 2011 - Sep 22 0:00 0 S
914Rule Iran 2012 only - Mar 21 0:00 1:00 D
915Rule Iran 2012 only - Sep 21 0:00 0 S
916Rule Iran 2013 2015 - Mar 22 0:00 1:00 D
917Rule Iran 2013 2015 - Sep 22 0:00 0 S
918Rule Iran 2016 only - Mar 21 0:00 1:00 D
919Rule Iran 2016 only - Sep 21 0:00 0 S
920Rule Iran 2017 2019 - Mar 22 0:00 1:00 D
921Rule Iran 2017 2019 - Sep 22 0:00 0 S
922Rule Iran 2020 only - Mar 21 0:00 1:00 D
923Rule Iran 2020 only - Sep 21 0:00 0 S
924Rule Iran 2021 2023 - Mar 22 0:00 1:00 D
925Rule Iran 2021 2023 - Sep 22 0:00 0 S
926Rule Iran 2024 only - Mar 21 0:00 1:00 D
927Rule Iran 2024 only - Sep 21 0:00 0 S
928Rule Iran 2025 2027 - Mar 22 0:00 1:00 D
929Rule Iran 2025 2027 - Sep 22 0:00 0 S
930Rule Iran 2028 2029 - Mar 21 0:00 1:00 D
931Rule Iran 2028 2029 - Sep 21 0:00 0 S
932Rule Iran 2030 2031 - Mar 22 0:00 1:00 D
933Rule Iran 2030 2031 - Sep 22 0:00 0 S
934Rule Iran 2032 2033 - Mar 21 0:00 1:00 D
935Rule Iran 2032 2033 - Sep 21 0:00 0 S
936Rule Iran 2034 2035 - Mar 22 0:00 1:00 D
937Rule Iran 2034 2035 - Sep 22 0:00 0 S
938Rule Iran 2036 2037 - Mar 21 0:00 1:00 D
939Rule Iran 2036 2037 - Sep 21 0:00 0 S
940# Zone NAME GMTOFF RULES FORMAT [UNTIL]
941Zone Asia/Tehran 3:25:44 - LMT 1916
942 3:25:44 - TMT 1946 # Tehran Mean Time
943 3:30 - IRST 1977 Nov
944 4:00 Iran IR%sT 1979
945 3:30 Iran IR%sT
946
947
948# Iraq
949#
950# From Jonathan Lennox (2000-06-12):
951# An article in this week's Economist ("Inside the Saddam-free zone", p. 50 in
952# the U.S. edition) on the Iraqi Kurds contains a paragraph:
953# "The three northern provinces ... switched their clocks this spring and
954# are an hour ahead of Baghdad."
955#
956# But Rives McDow (2000-06-18) quotes a contact in Iraqi-Kurdistan as follows:
957# In the past, some Kurdish nationalists, as a protest to the Iraqi
958# Government, did not adhere to daylight saving time. They referred
959# to daylight saving as Saddam time. But, as of today, the time zone
960# in Iraqi-Kurdistan is on standard time with Baghdad, Iraq.
961#
962# So we'll ignore the Economist's claim.
963
964# From Steffen Thorsen (2008-03-10):
965# The cabinet in Iraq abolished DST last week, according to the following
966# news sources (in Arabic):
967# <a href="http://www.aljeeran.net/wesima_articles/news-20080305-98602.html">
968# http://www.aljeeran.net/wesima_articles/news-20080305-98602.html
969# </a>
970# <a href="http://www.aswataliraq.info/look/article.tpl?id=2047&IdLanguage=17&IdPublication=4&NrArticle=71743&NrIssue=1&NrSection=10">
971# http://www.aswataliraq.info/look/article.tpl?id=2047&IdLanguage=17&IdPublication=4&NrArticle=71743&NrIssue=1&NrSection=10
972# </a>
973#
974# We have published a short article in English about the change:
975# <a href="http://www.timeanddate.com/news/time/iraq-dumps-daylight-saving.html">
976# http://www.timeanddate.com/news/time/iraq-dumps-daylight-saving.html
977# </a>
978
979# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
980Rule Iraq 1982 only - May 1 0:00 1:00 D
981Rule Iraq 1982 1984 - Oct 1 0:00 0 S
982Rule Iraq 1983 only - Mar 31 0:00 1:00 D
983Rule Iraq 1984 1985 - Apr 1 0:00 1:00 D
984Rule Iraq 1985 1990 - Sep lastSun 1:00s 0 S
985Rule Iraq 1986 1990 - Mar lastSun 1:00s 1:00 D
986# IATA SSIM (1991/1996) says Apr 1 12:01am UTC; guess the `:01' is a typo.
987# Shanks & Pottenger say Iraq did not observe DST 1992/1997; ignore this.
988#
989Rule Iraq 1991 2007 - Apr 1 3:00s 1:00 D
990Rule Iraq 1991 2007 - Oct 1 3:00s 0 S
991# Zone NAME GMTOFF RULES FORMAT [UNTIL]
992Zone Asia/Baghdad 2:57:40 - LMT 1890
993 2:57:36 - BMT 1918 # Baghdad Mean Time?
994 3:00 - AST 1982 May
995 3:00 Iraq A%sT
996
997
998###############################################################################
999
1000# Israel
1001
1002# From Ephraim Silverberg (2001-01-11):
1003#
1004# I coined "IST/IDT" circa 1988. Until then there were three
1005# different abbreviations in use:
1006#
1007# JST Jerusalem Standard Time [Danny Braniss, Hebrew University]
1008# IZT Israel Zonal (sic) Time [Prof. Haim Papo, Technion]
1009# EEST Eastern Europe Standard Time [used by almost everyone else]
1010#
1011# Since timezones should be called by country and not capital cities,
1012# I ruled out JST. As Israel is in Asia Minor and not Eastern Europe,
1013# EEST was equally unacceptable. Since "zonal" was not compatible with
1014# any other timezone abbreviation, I felt that 'IST' was the way to go
1015# and, indeed, it has received almost universal acceptance in timezone
1016# settings in Israeli computers.
1017#
1018# In any case, I am happy to share timezone abbreviations with India,
1019# high on my favorite-country list (and not only because my wife's
1020# family is from India).
1021
1022# From Shanks & Pottenger:
1023# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1024Rule Zion 1940 only - Jun 1 0:00 1:00 D
1025Rule Zion 1942 1944 - Nov 1 0:00 0 S
1026Rule Zion 1943 only - Apr 1 2:00 1:00 D
1027Rule Zion 1944 only - Apr 1 0:00 1:00 D
1028Rule Zion 1945 only - Apr 16 0:00 1:00 D
1029Rule Zion 1945 only - Nov 1 2:00 0 S
1030Rule Zion 1946 only - Apr 16 2:00 1:00 D
1031Rule Zion 1946 only - Nov 1 0:00 0 S
1032Rule Zion 1948 only - May 23 0:00 2:00 DD
1033Rule Zion 1948 only - Sep 1 0:00 1:00 D
1034Rule Zion 1948 1949 - Nov 1 2:00 0 S
1035Rule Zion 1949 only - May 1 0:00 1:00 D
1036Rule Zion 1950 only - Apr 16 0:00 1:00 D
1037Rule Zion 1950 only - Sep 15 3:00 0 S
1038Rule Zion 1951 only - Apr 1 0:00 1:00 D
1039Rule Zion 1951 only - Nov 11 3:00 0 S
1040Rule Zion 1952 only - Apr 20 2:00 1:00 D
1041Rule Zion 1952 only - Oct 19 3:00 0 S
1042Rule Zion 1953 only - Apr 12 2:00 1:00 D
1043Rule Zion 1953 only - Sep 13 3:00 0 S
1044Rule Zion 1954 only - Jun 13 0:00 1:00 D
1045Rule Zion 1954 only - Sep 12 0:00 0 S
1046Rule Zion 1955 only - Jun 11 2:00 1:00 D
1047Rule Zion 1955 only - Sep 11 0:00 0 S
1048Rule Zion 1956 only - Jun 3 0:00 1:00 D
1049Rule Zion 1956 only - Sep 30 3:00 0 S
1050Rule Zion 1957 only - Apr 29 2:00 1:00 D
1051Rule Zion 1957 only - Sep 22 0:00 0 S
1052Rule Zion 1974 only - Jul 7 0:00 1:00 D
1053Rule Zion 1974 only - Oct 13 0:00 0 S
1054Rule Zion 1975 only - Apr 20 0:00 1:00 D
1055Rule Zion 1975 only - Aug 31 0:00 0 S
1056Rule Zion 1985 only - Apr 14 0:00 1:00 D
1057Rule Zion 1985 only - Sep 15 0:00 0 S
1058Rule Zion 1986 only - May 18 0:00 1:00 D
1059Rule Zion 1986 only - Sep 7 0:00 0 S
1060Rule Zion 1987 only - Apr 15 0:00 1:00 D
1061Rule Zion 1987 only - Sep 13 0:00 0 S
1062Rule Zion 1988 only - Apr 9 0:00 1:00 D
1063Rule Zion 1988 only - Sep 3 0:00 0 S
1064
1065# From Ephraim Silverberg
1066# (1997-03-04, 1998-03-16, 1998-12-28, 2000-01-17, 2000-07-25, 2004-12-22,
1067# and 2005-02-17):
1068
1069# According to the Office of the Secretary General of the Ministry of
1070# Interior, there is NO set rule for Daylight-Savings/Standard time changes.
1071# One thing is entrenched in law, however: that there must be at least 150
1072# days of daylight savings time annually. From 1993-1998, the change to
1073# daylight savings time was on a Friday morning from midnight IST to
1074# 1 a.m IDT; up until 1998, the change back to standard time was on a
1075# Saturday night from midnight daylight savings time to 11 p.m. standard
1076# time. 1996 is an exception to this rule where the change back to standard
1077# time took place on Sunday night instead of Saturday night to avoid
1078# conflicts with the Jewish New Year. In 1999, the change to
1079# daylight savings time was still on a Friday morning but from
1080# 2 a.m. IST to 3 a.m. IDT; furthermore, the change back to standard time
1081# was also on a Friday morning from 2 a.m. IDT to 1 a.m. IST for
1082# 1999 only. In the year 2000, the change to daylight savings time was
1083# similar to 1999, but although the change back will be on a Friday, it
1084# will take place from 1 a.m. IDT to midnight IST. Starting in 2001, all
1085# changes to/from will take place at 1 a.m. old time, but now there is no
1086# rule as to what day of the week it will take place in as the start date
1087# (except in 2003) is the night after the Passover Seder (i.e. the eve
1088# of the 16th of Nisan in the lunar Hebrew calendar) and the end date
1089# (except in 2002) is three nights before Yom Kippur [Day of Atonement]
1090# (the eve of the 7th of Tishrei in the lunar Hebrew calendar).
1091
1092# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1093Rule Zion 1989 only - Apr 30 0:00 1:00 D
1094Rule Zion 1989 only - Sep 3 0:00 0 S
1095Rule Zion 1990 only - Mar 25 0:00 1:00 D
1096Rule Zion 1990 only - Aug 26 0:00 0 S
1097Rule Zion 1991 only - Mar 24 0:00 1:00 D
1098Rule Zion 1991 only - Sep 1 0:00 0 S
1099Rule Zion 1992 only - Mar 29 0:00 1:00 D
1100Rule Zion 1992 only - Sep 6 0:00 0 S
1101Rule Zion 1993 only - Apr 2 0:00 1:00 D
1102Rule Zion 1993 only - Sep 5 0:00 0 S
1103
1104# The dates for 1994-1995 were obtained from Office of the Spokeswoman for the
1105# Ministry of Interior, Jerusalem, Israel. The spokeswoman can be reached by
1106# calling the office directly at 972-2-6701447 or 972-2-6701448.
1107
1108# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1109Rule Zion 1994 only - Apr 1 0:00 1:00 D
1110Rule Zion 1994 only - Aug 28 0:00 0 S
1111Rule Zion 1995 only - Mar 31 0:00 1:00 D
1112Rule Zion 1995 only - Sep 3 0:00 0 S
1113
1114# The dates for 1996 were determined by the Minister of Interior of the
1115# time, Haim Ramon. The official announcement regarding 1996-1998
1116# (with the dates for 1997-1998 no longer being relevant) can be viewed at:
1117#
1118# ftp://ftp.cs.huji.ac.il/pub/tz/announcements/1996-1998.ramon.ps.gz
1119#
1120# The dates for 1997-1998 were altered by his successor, Rabbi Eli Suissa.
1121#
1122# The official announcements for the years 1997-1999 can be viewed at:
1123#
1124# ftp://ftp.cs.huji.ac.il/pub/tz/announcements/YYYY.ps.gz
1125#
1126# where YYYY is the relevant year.
1127
1128# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1129Rule Zion 1996 only - Mar 15 0:00 1:00 D
1130Rule Zion 1996 only - Sep 16 0:00 0 S
1131Rule Zion 1997 only - Mar 21 0:00 1:00 D
1132Rule Zion 1997 only - Sep 14 0:00 0 S
1133Rule Zion 1998 only - Mar 20 0:00 1:00 D
1134Rule Zion 1998 only - Sep 6 0:00 0 S
1135Rule Zion 1999 only - Apr 2 2:00 1:00 D
1136Rule Zion 1999 only - Sep 3 2:00 0 S
1137
1138# The Knesset Interior Committee has changed the dates for 2000 for
1139# the third time in just over a year and have set new dates for the
1140# years 2001-2004 as well.
1141#
1142# The official announcement for the start date of 2000 can be viewed at:
1143#
1144# ftp://ftp.cs.huji.ac.il/pub/tz/announcements/2000-start.ps.gz
1145#
1146# The official announcement for the end date of 2000 and the dates
1147# for the years 2001-2004 can be viewed at:
1148#
1149# ftp://ftp.cs.huji.ac.il/pub/tz/announcements/2000-2004.ps.gz
1150
1151# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1152Rule Zion 2000 only - Apr 14 2:00 1:00 D
1153Rule Zion 2000 only - Oct 6 1:00 0 S
1154Rule Zion 2001 only - Apr 9 1:00 1:00 D
1155Rule Zion 2001 only - Sep 24 1:00 0 S
1156Rule Zion 2002 only - Mar 29 1:00 1:00 D
1157Rule Zion 2002 only - Oct 7 1:00 0 S
1158Rule Zion 2003 only - Mar 28 1:00 1:00 D
1159Rule Zion 2003 only - Oct 3 1:00 0 S
1160Rule Zion 2004 only - Apr 7 1:00 1:00 D
1161Rule Zion 2004 only - Sep 22 1:00 0 S
1162
1163# The proposed law agreed upon by the Knesset Interior Committee on
1164# 2005-02-14 is that, for 2005 and beyond, DST starts at 02:00 the
1165# last Friday before April 2nd (i.e. the last Friday in March or April
1166# 1st itself if it falls on a Friday) and ends at 02:00 on the Saturday
1167# night _before_ the fast of Yom Kippur.
1168#
1169# Those who can read Hebrew can view the announcement at:
1170#
1171# ftp://ftp.cs.huji.ac.il/pub/tz/announcements/2005+beyond.ps
1172
1173# From Paul Eggert (2005-02-22):
1174# I used Ephraim Silverberg's dst-israel.el program
1175# <ftp://ftp.cs.huji.ac.il/pub/tz/software/dst-israel.el> (2005-02-20)
1176# along with Ed Reingold's cal-hebrew in GNU Emacs 21.4,
1177# to generate the transitions in this list.
1178# (I replaced "lastFri" with "Fri>=26" by hand.)
1179# The spring transitions below all correspond to the following Rule:
1180#
1181# Rule Zion 2005 max - Mar Fri>=26 2:00 1:00 D
1182#
1183# but older zic implementations (e.g., Solaris 8) do not support
1184# "Fri>=26" to mean April 1 in years like 2005, so for now we list the
1185# springtime transitions explicitly.
1186
1187# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1188Rule Zion 2005 only - Apr 1 2:00 1:00 D
1189Rule Zion 2005 only - Oct 9 2:00 0 S
1190Rule Zion 2006 2010 - Mar Fri>=26 2:00 1:00 D
1191Rule Zion 2006 only - Oct 1 2:00 0 S
1192Rule Zion 2007 only - Sep 16 2:00 0 S
1193Rule Zion 2008 only - Oct 5 2:00 0 S
1194Rule Zion 2009 only - Sep 27 2:00 0 S
1195Rule Zion 2010 only - Sep 12 2:00 0 S
1196Rule Zion 2011 only - Apr 1 2:00 1:00 D
1197Rule Zion 2011 only - Oct 2 2:00 0 S
1198Rule Zion 2012 2015 - Mar Fri>=26 2:00 1:00 D
1199Rule Zion 2012 only - Sep 23 2:00 0 S
1200Rule Zion 2013 only - Sep 8 2:00 0 S
1201Rule Zion 2014 only - Sep 28 2:00 0 S
1202Rule Zion 2015 only - Sep 20 2:00 0 S
1203Rule Zion 2016 only - Apr 1 2:00 1:00 D
1204Rule Zion 2016 only - Oct 9 2:00 0 S
1205Rule Zion 2017 2021 - Mar Fri>=26 2:00 1:00 D
1206Rule Zion 2017 only - Sep 24 2:00 0 S
1207Rule Zion 2018 only - Sep 16 2:00 0 S
1208Rule Zion 2019 only - Oct 6 2:00 0 S
1209Rule Zion 2020 only - Sep 27 2:00 0 S
1210Rule Zion 2021 only - Sep 12 2:00 0 S
1211Rule Zion 2022 only - Apr 1 2:00 1:00 D
1212Rule Zion 2022 only - Oct 2 2:00 0 S
1213Rule Zion 2023 2032 - Mar Fri>=26 2:00 1:00 D
1214Rule Zion 2023 only - Sep 24 2:00 0 S
1215Rule Zion 2024 only - Oct 6 2:00 0 S
1216Rule Zion 2025 only - Sep 28 2:00 0 S
1217Rule Zion 2026 only - Sep 20 2:00 0 S
1218Rule Zion 2027 only - Oct 10 2:00 0 S
1219Rule Zion 2028 only - Sep 24 2:00 0 S
1220Rule Zion 2029 only - Sep 16 2:00 0 S
1221Rule Zion 2030 only - Oct 6 2:00 0 S
1222Rule Zion 2031 only - Sep 21 2:00 0 S
1223Rule Zion 2032 only - Sep 12 2:00 0 S
1224Rule Zion 2033 only - Apr 1 2:00 1:00 D
1225Rule Zion 2033 only - Oct 2 2:00 0 S
1226Rule Zion 2034 2037 - Mar Fri>=26 2:00 1:00 D
1227Rule Zion 2034 only - Sep 17 2:00 0 S
1228Rule Zion 2035 only - Oct 7 2:00 0 S
1229Rule Zion 2036 only - Sep 28 2:00 0 S
1230Rule Zion 2037 only - Sep 13 2:00 0 S
1231
1232# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1233Zone Asia/Jerusalem 2:20:56 - LMT 1880
1234 2:20:40 - JMT 1918 # Jerusalem Mean Time?
1235 2:00 Zion I%sT
1236
1237
1238
1239###############################################################################
1240
1241# Japan
1242
1243# `9:00' and `JST' is from Guy Harris.
1244
1245# From Paul Eggert (1995-03-06):
1246# Today's _Asahi Evening News_ (page 4) reports that Japan had
1247# daylight saving between 1948 and 1951, but ``the system was discontinued
1248# because the public believed it would lead to longer working hours.''
1249
1250# From Mayumi Negishi in the 2005-08-10 Japan Times
1251# <http://www.japantimes.co.jp/cgi-bin/getarticle.pl5?nn20050810f2.htm>:
1252# Occupation authorities imposed daylight-saving time on Japan on
1253# [1948-05-01].... But lack of prior debate and the execution of
1254# daylight-saving time just three days after the bill was passed generated
1255# deep hatred of the concept.... The Diet unceremoniously passed a bill to
1256# dump the unpopular system in October 1951, less than a month after the San
1257# Francisco Peace Treaty was signed. (A government poll in 1951 showed 53%
1258# of the Japanese wanted to scrap daylight-saving time, as opposed to 30% who
1259# wanted to keep it.)
1260
1261# From Paul Eggert (2006-03-22):
1262# Shanks & Pottenger write that DST in Japan during those years was as follows:
1263# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1264Rule Japan 1948 only - May Sun>=1 2:00 1:00 D
1265Rule Japan 1948 1951 - Sep Sat>=8 2:00 0 S
1266Rule Japan 1949 only - Apr Sun>=1 2:00 1:00 D
1267Rule Japan 1950 1951 - May Sun>=1 2:00 1:00 D
1268# but the only locations using it (for birth certificates, presumably, since
1269# their audience is astrologers) were US military bases. For now, assume
1270# that for most purposes daylight-saving time was observed; otherwise, what
1271# would have been the point of the 1951 poll?
1272
1273# From Hideyuki Suzuki (1998-11-09):
1274# 'Tokyo' usually stands for the former location of Tokyo Astronomical
1275# Observatory: E 139 44' 40".90 (9h 18m 58s.727), N 35 39' 16".0.
1276# This data is from 'Rika Nenpyou (Chronological Scientific Tables) 1996'
1277# edited by National Astronomical Observatory of Japan....
1278# JST (Japan Standard Time) has been used since 1888-01-01 00:00 (JST).
1279# The law is enacted on 1886-07-07.
1280
1281# From Hideyuki Suzuki (1998-11-16):
1282# The ordinance No. 51 (1886) established "standard time" in Japan,
1283# which stands for the time on E 135 degree.
1284# In the ordinance No. 167 (1895), "standard time" was renamed to "central
1285# standard time". And the same ordinance also established "western standard
1286# time", which stands for the time on E 120 degree.... But "western standard
1287# time" was abolished in the ordinance No. 529 (1937). In the ordinance No.
1288# 167, there is no mention regarding for what place western standard time is
1289# standard....
1290#
1291# I wrote "ordinance" above, but I don't know how to translate.
1292# In Japanese it's "chokurei", which means ordinance from emperor.
1293
1294# Shanks & Pottenger claim JST in use since 1896, and that a few
1295# places (e.g. Ishigaki) use +0800; go with Suzuki. Guess that all
1296# ordinances took effect on Jan 1.
1297
1298# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1299Zone Asia/Tokyo 9:18:59 - LMT 1887 Dec 31 15:00u
1300 9:00 - JST 1896
1301 9:00 - CJT 1938
1302 9:00 Japan J%sT
1303# Since 1938, all Japanese possessions have been like Asia/Tokyo.
1304
1305# Jordan
1306#
1307# From <a href="http://star.arabia.com/990701/JO9.html">
1308# Jordan Week (1999-07-01) </a> via Steffen Thorsen (1999-09-09):
1309# Clocks in Jordan were forwarded one hour on Wednesday at midnight,
1310# in accordance with the government's decision to implement summer time
1311# all year round.
1312#
1313# From <a href="http://star.arabia.com/990930/JO9.html">
1314# Jordan Week (1999-09-30) </a> via Steffen Thorsen (1999-11-09):
1315# Winter time starts today Thursday, 30 September. Clocks will be turned back
1316# by one hour. This is the latest government decision and it's final!
1317# The decision was taken because of the increase in working hours in
1318# government's departments from six to seven hours.
1319#
1320# From Paul Eggert (2005-11-22):
1321# Starting 2003 transitions are from Steffen Thorsen's web site timeanddate.com.
1322#
1323# From Steffen Thorsen (2005-11-23):
1324# For Jordan I have received multiple independent user reports every year
1325# about DST end dates, as the end-rule is different every year.
1326#
1327# From Steffen Thorsen (2006-10-01), after a heads-up from Hilal Malawi:
1328# http://www.petranews.gov.jo/nepras/2006/Sep/05/4000.htm
1329# "Jordan will switch to winter time on Friday, October 27".
1330#
1331
1332# From Phil Pizzey (2009-04-02):
1333# ...I think I may have spotted an error in the timezone data for
1334# Jordan.
1335# The current (2009d) asia file shows Jordan going to daylight
1336# saving
1337# time on the last Thursday in March.
1338#
1339# Rule Jordan 2000 max - Mar lastThu 0:00s 1:00 S
1340#
1341# However timeanddate.com, which I usually find reliable, shows Jordan
1342# going to daylight saving time on the last Friday in March since 2002.
1343# Please see
1344# <a href="http://www.timeanddate.com/worldclock/timezone.html?n=11">
1345# http://www.timeanddate.com/worldclock/timezone.html?n=11
1346# </a>
1347
1348# From Steffen Thorsen (2009-04-02):
1349# This single one might be good enough, (2009-03-24, Arabic):
1350# <a href="http://petra.gov.jo/Artical.aspx?Lng=2&Section=8&Artical=95279">
1351# http://petra.gov.jo/Artical.aspx?Lng=2&Section=8&Artical=95279
1352# </a>
1353#
1354# Google's translation:
1355#
1356# > The Council of Ministers decided in 2002 to adopt the principle of timely
1357# > submission of the summer at 60 minutes as of midnight on the last Thursday
1358# > of the month of March of each year.
1359#
1360# So - this means the midnight between Thursday and Friday since 2002.
1361
1362# From Arthur David Olson (2009-04-06):
1363# We still have Jordan switching to DST on Thursdays in 2000 and 2001.
1364
1365# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1366Rule Jordan 1973 only - Jun 6 0:00 1:00 S
1367Rule Jordan 1973 1975 - Oct 1 0:00 0 -
1368Rule Jordan 1974 1977 - May 1 0:00 1:00 S
1369Rule Jordan 1976 only - Nov 1 0:00 0 -
1370Rule Jordan 1977 only - Oct 1 0:00 0 -
1371Rule Jordan 1978 only - Apr 30 0:00 1:00 S
1372Rule Jordan 1978 only - Sep 30 0:00 0 -
1373Rule Jordan 1985 only - Apr 1 0:00 1:00 S
1374Rule Jordan 1985 only - Oct 1 0:00 0 -
1375Rule Jordan 1986 1988 - Apr Fri>=1 0:00 1:00 S
1376Rule Jordan 1986 1990 - Oct Fri>=1 0:00 0 -
1377Rule Jordan 1989 only - May 8 0:00 1:00 S
1378Rule Jordan 1990 only - Apr 27 0:00 1:00 S
1379Rule Jordan 1991 only - Apr 17 0:00 1:00 S
1380Rule Jordan 1991 only - Sep 27 0:00 0 -
1381Rule Jordan 1992 only - Apr 10 0:00 1:00 S
1382Rule Jordan 1992 1993 - Oct Fri>=1 0:00 0 -
1383Rule Jordan 1993 1998 - Apr Fri>=1 0:00 1:00 S
1384Rule Jordan 1994 only - Sep Fri>=15 0:00 0 -
1385Rule Jordan 1995 1998 - Sep Fri>=15 0:00s 0 -
1386Rule Jordan 1999 only - Jul 1 0:00s 1:00 S
1387Rule Jordan 1999 2002 - Sep lastFri 0:00s 0 -
1388Rule Jordan 2000 2001 - Mar lastThu 0:00s 1:00 S
1389Rule Jordan 2002 max - Mar lastThu 24:00 1:00 S
1390Rule Jordan 2003 only - Oct 24 0:00s 0 -
1391Rule Jordan 2004 only - Oct 15 0:00s 0 -
1392Rule Jordan 2005 only - Sep lastFri 0:00s 0 -
1393Rule Jordan 2006 max - Oct lastFri 0:00s 0 -
1394# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1395Zone Asia/Amman 2:23:44 - LMT 1931
1396 2:00 Jordan EE%sT
1397
1398
1399# Kazakhstan
1400
1401# From Paul Eggert (1996-11-22):
1402# Andrew Evtichov (1996-04-13) writes that Kazakhstan
1403# stayed in sync with Moscow after 1990, and that Aqtobe (formerly Aktyubinsk)
1404# and Aqtau (formerly Shevchenko) are the largest cities in their zones.
1405# Guess that Aqtau and Aqtobe diverged in 1995, since that's the first time
1406# IATA SSIM mentions a third time zone in Kazakhstan.
1407
1408# From Paul Eggert (2006-03-22):
1409# German Iofis, ELSI, Almaty (2001-10-09) reports that Kazakhstan uses
1410# RussiaAsia rules, instead of switching at 00:00 as the IATA has it.
1411# Go with Shanks & Pottenger, who have them always using RussiaAsia rules.
1412# Also go with the following claims of Shanks & Pottenger:
1413#
1414# - Kazakhstan did not observe DST in 1991.
1415# - Qyzylorda switched from +5:00 to +6:00 on 1992-01-19 02:00.
1416# - Oral switched from +5:00 to +4:00 in spring 1989.
1417
1418# <a href="http://www.kazsociety.org.uk/news/2005/03/30.htm">
1419# From Kazakhstan Embassy's News Bulletin #11 (2005-03-21):
1420# </a>
1421# The Government of Kazakhstan passed a resolution March 15 abolishing
1422# daylight saving time citing lack of economic benefits and health
1423# complications coupled with a decrease in productivity.
1424#
1425# From Branislav Kojic (in Astana) via Gwillim Law (2005-06-28):
1426# ... what happened was that the former Kazakhstan Eastern time zone
1427# was "blended" with the Central zone. Therefore, Kazakhstan now has
1428# two time zones, and difference between them is one hour. The zone
1429# closer to UTC is the former Western zone (probably still called the
1430# same), encompassing four provinces in the west: Aqtobe, Atyrau,
1431# Mangghystau, and West Kazakhstan. The other zone encompasses
1432# everything else.... I guess that would make Kazakhstan time zones
1433# de jure UTC+5 and UTC+6 respectively.
1434
1435#
1436# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1437#
1438# Almaty (formerly Alma-Ata), representing most locations in Kazakhstan
1439Zone Asia/Almaty 5:07:48 - LMT 1924 May 2 # or Alma-Ata
1440 5:00 - ALMT 1930 Jun 21 # Alma-Ata Time
1441 6:00 RussiaAsia ALM%sT 1991
1442 6:00 - ALMT 1992
1443 6:00 RussiaAsia ALM%sT 2005 Mar 15
1444 6:00 - ALMT
1445# Qyzylorda (aka Kyzylorda, Kizilorda, Kzyl-Orda, etc.)
1446Zone Asia/Qyzylorda 4:21:52 - LMT 1924 May 2
1447 4:00 - KIZT 1930 Jun 21 # Kizilorda Time
1448 5:00 - KIZT 1981 Apr 1
1449 5:00 1:00 KIZST 1981 Oct 1
1450 6:00 - KIZT 1982 Apr 1
1451 5:00 RussiaAsia KIZ%sT 1991
1452 5:00 - KIZT 1991 Dec 16 # independence
1453 5:00 - QYZT 1992 Jan 19 2:00
1454 6:00 RussiaAsia QYZ%sT 2005 Mar 15
1455 6:00 - QYZT
1456# Aqtobe (aka Aktobe, formerly Akt'ubinsk)
1457Zone Asia/Aqtobe 3:48:40 - LMT 1924 May 2
1458 4:00 - AKTT 1930 Jun 21 # Aktyubinsk Time
1459 5:00 - AKTT 1981 Apr 1
1460 5:00 1:00 AKTST 1981 Oct 1
1461 6:00 - AKTT 1982 Apr 1
1462 5:00 RussiaAsia AKT%sT 1991
1463 5:00 - AKTT 1991 Dec 16 # independence
1464 5:00 RussiaAsia AQT%sT 2005 Mar 15 # Aqtobe Time
1465 5:00 - AQTT
1466# Mangghystau
1467# Aqtau was not founded until 1963, but it represents an inhabited region,
1468# so include time stamps before 1963.
1469Zone Asia/Aqtau 3:21:04 - LMT 1924 May 2
1470 4:00 - FORT 1930 Jun 21 # Fort Shevchenko T
1471 5:00 - FORT 1963
1472 5:00 - SHET 1981 Oct 1 # Shevchenko Time
1473 6:00 - SHET 1982 Apr 1
1474 5:00 RussiaAsia SHE%sT 1991
1475 5:00 - SHET 1991 Dec 16 # independence
1476 5:00 RussiaAsia AQT%sT 1995 Mar lastSun 2:00 # Aqtau Time
1477 4:00 RussiaAsia AQT%sT 2005 Mar 15
1478 5:00 - AQTT
1479# West Kazakhstan
1480Zone Asia/Oral 3:25:24 - LMT 1924 May 2 # or Ural'sk
1481 4:00 - URAT 1930 Jun 21 # Ural'sk time
1482 5:00 - URAT 1981 Apr 1
1483 5:00 1:00 URAST 1981 Oct 1
1484 6:00 - URAT 1982 Apr 1
1485 5:00 RussiaAsia URA%sT 1989 Mar 26 2:00
1486 4:00 RussiaAsia URA%sT 1991
1487 4:00 - URAT 1991 Dec 16 # independence
1488 4:00 RussiaAsia ORA%sT 2005 Mar 15 # Oral Time
1489 5:00 - ORAT
1490
1491# Kyrgyzstan (Kirgizstan)
1492# Transitions through 1991 are from Shanks & Pottenger.
1493
1494# From Paul Eggert (2005-08-15):
1495# According to an article dated today in the Kyrgyzstan Development Gateway
1496# <http://eng.gateway.kg/cgi-bin/page.pl?id=1&story_name=doc9979.shtml>
1497# Kyrgyzstan is canceling the daylight saving time system. I take the article
1498# to mean that they will leave their clocks at 6 hours ahead of UTC.
1499# From Malik Abdugaliev (2005-09-21):
1500# Our government cancels daylight saving time 6th of August 2005.
1501# From 2005-08-12 our GMT-offset is +6, w/o any daylight saving.
1502
1503# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1504Rule Kyrgyz 1992 1996 - Apr Sun>=7 0:00s 1:00 S
1505Rule Kyrgyz 1992 1996 - Sep lastSun 0:00 0 -
1506Rule Kyrgyz 1997 2005 - Mar lastSun 2:30 1:00 S
1507Rule Kyrgyz 1997 2004 - Oct lastSun 2:30 0 -
1508# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1509Zone Asia/Bishkek 4:58:24 - LMT 1924 May 2
1510 5:00 - FRUT 1930 Jun 21 # Frunze Time
1511 6:00 RussiaAsia FRU%sT 1991 Mar 31 2:00s
1512 5:00 1:00 FRUST 1991 Aug 31 2:00 # independence
1513 5:00 Kyrgyz KG%sT 2005 Aug 12 # Kyrgyzstan Time
1514 6:00 - KGT
1515
1516###############################################################################
1517
1518# Korea (North and South)
1519
1520# From Annie I. Bang (2006-07-10) in
1521# <http://www.koreaherald.co.kr/SITE/data/html_dir/2006/07/10/200607100012.asp>:
1522# The Ministry of Commerce, Industry and Energy has already
1523# commissioned a research project [to reintroduce DST] and has said
1524# the system may begin as early as 2008.... Korea ran a daylight
1525# saving program from 1949-61 but stopped it during the 1950-53 Korean War.
1526
1527# From Shanks & Pottenger:
1528# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1529Rule ROK 1960 only - May 15 0:00 1:00 D
1530Rule ROK 1960 only - Sep 13 0:00 0 S
1531Rule ROK 1987 1988 - May Sun>=8 0:00 1:00 D
1532Rule ROK 1987 1988 - Oct Sun>=8 0:00 0 S
1533
1534# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1535Zone Asia/Seoul 8:27:52 - LMT 1890
1536 8:30 - KST 1904 Dec
1537 9:00 - KST 1928
1538 8:30 - KST 1932
1539 9:00 - KST 1954 Mar 21
1540 8:00 ROK K%sT 1961 Aug 10
1541 8:30 - KST 1968 Oct
1542 9:00 ROK K%sT
1543Zone Asia/Pyongyang 8:23:00 - LMT 1890
1544 8:30 - KST 1904 Dec
1545 9:00 - KST 1928
1546 8:30 - KST 1932
1547 9:00 - KST 1954 Mar 21
1548 8:00 - KST 1961 Aug 10
1549 9:00 - KST
1550
1551###############################################################################
1552
1553# Kuwait
1554# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1555# From the Arab Times (2007-03-14):
1556# The Civil Service Commission (CSC) has approved a proposal forwarded
1557# by MP Ahmad Baqer on implementing the daylight saving time (DST) in
1558# Kuwait starting from April until the end of Sept this year, reports Al-Anba.
1559# <http://www.arabtimesonline.com/arabtimes/kuwait/Viewdet.asp?ID=9950>.
1560# From Paul Eggert (2007-03-29):
1561# We don't know the details, or whether the approval means it'll happen,
1562# so for now we assume no DST.
1563Zone Asia/Kuwait 3:11:56 - LMT 1950
1564 3:00 - AST
1565
1566# Laos
1567# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1568Zone Asia/Vientiane 6:50:24 - LMT 1906 Jun 9 # or Viangchan
1569 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT?
1570 7:00 - ICT 1912 May
1571 8:00 - ICT 1931 May
1572 7:00 - ICT
1573
1574# Lebanon
1575# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1576Rule Lebanon 1920 only - Mar 28 0:00 1:00 S
1577Rule Lebanon 1920 only - Oct 25 0:00 0 -
1578Rule Lebanon 1921 only - Apr 3 0:00 1:00 S
1579Rule Lebanon 1921 only - Oct 3 0:00 0 -
1580Rule Lebanon 1922 only - Mar 26 0:00 1:00 S
1581Rule Lebanon 1922 only - Oct 8 0:00 0 -
1582Rule Lebanon 1923 only - Apr 22 0:00 1:00 S
1583Rule Lebanon 1923 only - Sep 16 0:00 0 -
1584Rule Lebanon 1957 1961 - May 1 0:00 1:00 S
1585Rule Lebanon 1957 1961 - Oct 1 0:00 0 -
1586Rule Lebanon 1972 only - Jun 22 0:00 1:00 S
1587Rule Lebanon 1972 1977 - Oct 1 0:00 0 -
1588Rule Lebanon 1973 1977 - May 1 0:00 1:00 S
1589Rule Lebanon 1978 only - Apr 30 0:00 1:00 S
1590Rule Lebanon 1978 only - Sep 30 0:00 0 -
1591Rule Lebanon 1984 1987 - May 1 0:00 1:00 S
1592Rule Lebanon 1984 1991 - Oct 16 0:00 0 -
1593Rule Lebanon 1988 only - Jun 1 0:00 1:00 S
1594Rule Lebanon 1989 only - May 10 0:00 1:00 S
1595Rule Lebanon 1990 1992 - May 1 0:00 1:00 S
1596Rule Lebanon 1992 only - Oct 4 0:00 0 -
1597Rule Lebanon 1993 max - Mar lastSun 0:00 1:00 S
1598Rule Lebanon 1993 1998 - Sep lastSun 0:00 0 -
1599Rule Lebanon 1999 max - Oct lastSun 0:00 0 -
1600# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1601Zone Asia/Beirut 2:22:00 - LMT 1880
1602 2:00 Lebanon EE%sT
1603
1604# Malaysia
1605# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1606Rule NBorneo 1935 1941 - Sep 14 0:00 0:20 TS # one-Third Summer
1607Rule NBorneo 1935 1941 - Dec 14 0:00 0 -
1608#
1609# peninsular Malaysia
1610# The data here are taken from Mok Ly Yng (2003-10-30)
1611# <http://www.math.nus.edu.sg/aslaksen/teaching/timezone.html>.
1612# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1613Zone Asia/Kuala_Lumpur 6:46:46 - LMT 1901 Jan 1
1614 6:55:25 - SMT 1905 Jun 1 # Singapore M.T.
1615 7:00 - MALT 1933 Jan 1 # Malaya Time
1616 7:00 0:20 MALST 1936 Jan 1
1617 7:20 - MALT 1941 Sep 1
1618 7:30 - MALT 1942 Feb 16
1619 9:00 - JST 1945 Sep 12
1620 7:30 - MALT 1982 Jan 1
1621 8:00 - MYT # Malaysia Time
1622# Sabah & Sarawak
1623# From Paul Eggert (2006-03-22):
1624# The data here are mostly from Shanks & Pottenger, but the 1942, 1945 and 1982
1625# transition dates are from Mok Ly Yng.
1626# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1627Zone Asia/Kuching 7:21:20 - LMT 1926 Mar
1628 7:30 - BORT 1933 # Borneo Time
1629 8:00 NBorneo BOR%sT 1942 Feb 16
1630 9:00 - JST 1945 Sep 12
1631 8:00 - BORT 1982 Jan 1
1632 8:00 - MYT
1633
1634# Maldives
1635# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1636Zone Indian/Maldives 4:54:00 - LMT 1880 # Male
1637 4:54:00 - MMT 1960 # Male Mean Time
1638 5:00 - MVT # Maldives Time
1639
1640# Mongolia
1641
1642# Shanks & Pottenger say that Mongolia has three time zones, but
1643# usno1995 and the CIA map Standard Time Zones of the World (2005-03)
1644# both say that it has just one.
1645
1646# From Oscar van Vlijmen (1999-12-11):
1647# <a href="http://www.mongoliatourism.gov.mn/general.htm">
1648# General Information Mongolia
1649# </a> (1999-09)
1650# "Time: Mongolia has two time zones. Three westernmost provinces of
1651# Bayan-Ulgii, Uvs, and Hovd are one hour earlier than the capital city, and
1652# the rest of the country follows the Ulaanbaatar time, which is UTC/GMT plus
1653# eight hours."
1654
1655# From Rives McDow (1999-12-13):
1656# Mongolia discontinued the use of daylight savings time in 1999; 1998
1657# being the last year it was implemented. The dates of implementation I am
1658# unsure of, but most probably it was similar to Russia, except for the time
1659# of implementation may have been different....
1660# Some maps in the past have indicated that there was an additional time
1661# zone in the eastern part of Mongolia, including the provinces of Dornod,
1662# Suhbaatar, and possibly Khentij.
1663
1664# From Paul Eggert (1999-12-15):
1665# Naming and spelling is tricky in Mongolia.
1666# We'll use Hovd (also spelled Chovd and Khovd) to represent the west zone;
1667# the capital of the Hovd province is sometimes called Hovd, sometimes Dund-Us,
1668# and sometimes Jirgalanta (with variant spellings), but the name Hovd
1669# is good enough for our purposes.
1670
1671# From Rives McDow (2001-05-13):
1672# In addition to Mongolia starting daylight savings as reported earlier
1673# (adopted DST on 2001-04-27 02:00 local time, ending 2001-09-28),
1674# there are three time zones.
1675#
1676# Provinces [at 7:00]: Bayan-ulgii, Uvs, Khovd, Zavkhan, Govi-Altai
1677# Provinces [at 8:00]: Khovsgol, Bulgan, Arkhangai, Khentii, Tov,
1678# Bayankhongor, Ovorkhangai, Dundgovi, Dornogovi, Omnogovi
1679# Provinces [at 9:00]: Dornod, Sukhbaatar
1680#
1681# [The province of Selenge is omitted from the above lists.]
1682
1683# From Ganbold Ts., Ulaanbaatar (2004-04-17):
1684# Daylight saving occurs at 02:00 local time last Saturday of March.
1685# It will change back to normal at 02:00 local time last Saturday of
1686# September.... As I remember this rule was changed in 2001.
1687#
1688# From Paul Eggert (2004-04-17):
1689# For now, assume Rives McDow's informant got confused about Friday vs
1690# Saturday, and that his 2001 dates should have 1 added to them.
1691
1692# From Paul Eggert (2005-07-26):
1693# We have wildly conflicting information about Mongolia's time zones.
1694# Bill Bonnet (2005-05-19) reports that the US Embassy in Ulaanbaatar says
1695# there is only one time zone and that DST is observed, citing Microsoft
1696# Windows XP as the source. Risto Nykanen (2005-05-16) reports that
1697# travelmongolia.org says there are two time zones (UTC+7, UTC+8) with no DST.
1698# Oscar van Vlijmen (2005-05-20) reports that the Mongolian Embassy in
1699# Washington, DC says there are two time zones, with DST observed.
1700# He also found
1701# <http://ubpost.mongolnews.mn/index.php?subaction=showcomments&id=1111634894&archive=&start_from=&ucat=1&>
1702# which also says that there is DST, and which has a comment by "Toddius"
1703# (2005-03-31 06:05 +0700) saying "Mongolia actually has 3.5 time zones.
1704# The West (OLGII) is +7 GMT, most of the country is ULAT is +8 GMT
1705# and some Eastern provinces are +9 GMT but Sukhbaatar Aimag is SUHK +8.5 GMT.
1706# The SUKH timezone is new this year, it is one of the few things the
1707# parliament passed during the tumultuous winter session."
1708# For now, let's ignore this information, until we have more confirmation.
1709
1710# From Ganbold Ts. (2007-02-26):
1711# Parliament of Mongolia has just changed the daylight-saving rule in February.
1712# They decided not to adopt daylight-saving time....
1713# http://www.mongolnews.mn/index.php?module=unuudur&sec=view&id=15742
1714
1715# From Deborah Goldsmith (2008-03-30):
1716# We received a bug report claiming that the tz database UTC offset for
1717# Asia/Choibalsan (GMT+09:00) is incorrect, and that it should be GMT
1718# +08:00 instead. Different sources appear to disagree with the tz
1719# database on this, e.g.:
1720#
1721# <a href="http://www.timeanddate.com/worldclock/city.html?n=1026">
1722# http://www.timeanddate.com/worldclock/city.html?n=1026
1723# </a>
1724# <a href="http://www.worldtimeserver.com/current_time_in_MN.aspx">
1725# http://www.worldtimeserver.com/current_time_in_MN.aspx
1726# </a>
1727#
1728# both say GMT+08:00.
1729
1730# From Steffen Thorsen (2008-03-31):
1731# eznis airways, which operates several domestic flights, has a flight
1732# schedule here:
1733# <a href="http://www.eznis.com/Container.jsp?id=112">
1734# http://www.eznis.com/Container.jsp?id=112
1735# </a>
1736# (click the English flag for English)
1737#
1738# There it appears that flights between Choibalsan and Ulaanbatar arrive
1739# about 1:35 - 1:50 hours later in local clock time, no matter the
1740# direction, while Ulaanbaatar-Khvod takes 2 hours in the Eastern
1741# direction and 3:35 back, which indicates that Ulaanbatar and Khvod are
1742# in different time zones (like we know about), while Choibalsan and
1743# Ulaanbatar are in the same time zone (correction needed).
1744
1745# From Arthur David Olson (2008-05-19):
1746# Assume that Choibalsan is indeed offset by 8:00.
1747# XXX--in the absence of better information, assume that transition
1748# was at the start of 2008-03-31 (the day of Steffen Thorsen's report);
1749# this is almost surely wrong.
1750
1751# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1752Rule Mongol 1983 1984 - Apr 1 0:00 1:00 S
1753Rule Mongol 1983 only - Oct 1 0:00 0 -
1754# Shanks & Pottenger and IATA SSIM say 1990s switches occurred at 00:00,
1755# but McDow says the 2001 switches occurred at 02:00. Also, IATA SSIM
1756# (1996-09) says 1996-10-25. Go with Shanks & Pottenger through 1998.
1757#
1758# Shanks & Pottenger say that the Sept. 1984 through Sept. 1990 switches
1759# in Choibalsan (more precisely, in Dornod and Sukhbaatar) took place
1760# at 02:00 standard time, not at 00:00 local time as in the rest of
1761# the country. That would be odd, and possibly is a result of their
1762# correction of 02:00 (in the previous edition) not being done correctly
1763# in the latest edition; so ignore it for now.
1764
1765Rule Mongol 1985 1998 - Mar lastSun 0:00 1:00 S
1766Rule Mongol 1984 1998 - Sep lastSun 0:00 0 -
1767# IATA SSIM (1999-09) says Mongolia no longer observes DST.
1768Rule Mongol 2001 only - Apr lastSat 2:00 1:00 S
1769Rule Mongol 2001 2006 - Sep lastSat 2:00 0 -
1770Rule Mongol 2002 2006 - Mar lastSat 2:00 1:00 S
1771
1772# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1773# Hovd, a.k.a. Chovd, Dund-Us, Dzhargalant, Khovd, Jirgalanta
1774Zone Asia/Hovd 6:06:36 - LMT 1905 Aug
1775 6:00 - HOVT 1978 # Hovd Time
1776 7:00 Mongol HOV%sT
1777# Ulaanbaatar, a.k.a. Ulan Bataar, Ulan Bator, Urga
1778Zone Asia/Ulaanbaatar 7:07:32 - LMT 1905 Aug
1779 7:00 - ULAT 1978 # Ulaanbaatar Time
1780 8:00 Mongol ULA%sT
1781# Choibalsan, a.k.a. Bajan Tuemen, Bajan Tumen, Chojbalsan,
1782# Choybalsan, Sanbejse, Tchoibalsan
1783Zone Asia/Choibalsan 7:38:00 - LMT 1905 Aug
1784 7:00 - ULAT 1978
1785 8:00 - ULAT 1983 Apr
1786 9:00 Mongol CHO%sT 2008 Mar 31 # Choibalsan Time
1787 8:00 Mongol CHO%sT
1788
1789# Nepal
1790# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1791Zone Asia/Kathmandu 5:41:16 - LMT 1920
1792 5:30 - IST 1986
1793 5:45 - NPT # Nepal Time
1794
1795# Oman
1796# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1797Zone Asia/Muscat 3:54:20 - LMT 1920
1798 4:00 - GST
1799
1800# Pakistan
1801
1802# From Rives McDow (2002-03-13):
1803# I have been advised that Pakistan has decided to adopt dst on a
1804# TRIAL basis for one year, starting 00:01 local time on April 7, 2002
1805# and ending at 00:01 local time October 6, 2002. This is what I was
1806# told, but I believe that the actual time of change may be 00:00; the
1807# 00:01 was to make it clear which day it was on.
1808
1809# From Paul Eggert (2002-03-15):
1810# Jesper Norgaard found this URL:
1811# http://www.pak.gov.pk/public/news/app/app06_dec.htm
1812# (dated 2001-12-06) which says that the Cabinet adopted a scheme "to
1813# advance the clocks by one hour on the night between the first
1814# Saturday and Sunday of April and revert to the original position on
1815# 15th October each year". This agrees with McDow's 04-07 at 00:00,
1816# but disagrees about the October transition, and makes it sound like
1817# it's not on a trial basis. Also, the "between the first Saturday
1818# and Sunday of April" phrase, if taken literally, means that the
1819# transition takes place at 00:00 on the first Sunday on or after 04-02.
1820
1821# From Paul Eggert (2003-02-09):
1822# DAWN <http://www.dawn.com/2002/10/06/top13.htm> reported on 2002-10-05
1823# that 2002 DST ended that day at midnight. Go with McDow for now.
1824
1825# From Steffen Thorsen (2003-03-14):
1826# According to http://www.dawn.com/2003/03/07/top15.htm
1827# there will be no DST in Pakistan this year:
1828#
1829# ISLAMABAD, March 6: Information and Media Development Minister Sheikh
1830# Rashid Ahmed on Thursday said the cabinet had reversed a previous
1831# decision to advance clocks by one hour in summer and put them back by
1832# one hour in winter with the aim of saving light hours and energy.
1833#
1834# The minister told a news conference that the experiment had rather
1835# shown 8 per cent higher consumption of electricity.
1836
1837# From Alex Krivenyshev (2008-05-15):
1838#
1839# Here is an article that Pakistan plan to introduce Daylight Saving Time
1840# on June 1, 2008 for 3 months.
1841#
1842# "... The federal cabinet on Wednesday announced a new conservation plan to help
1843# reduce load shedding by approving the closure of commercial centres at 9pm and
1844# moving clocks forward by one hour for the next three months.
1845# ...."
1846#
1847# <a href="http://www.worldtimezone.net/dst_news/dst_news_pakistan01.html">
1848# http://www.worldtimezone.net/dst_news/dst_news_pakistan01.html
1849# </a>
1850# OR
1851# <a href="http://www.dailytimes.com.pk/default.asp?page=2008%5C05%5C15%5Cstory_15-5-2008_pg1_4">
1852# http://www.dailytimes.com.pk/default.asp?page=2008%5C05%5C15%5Cstory_15-5-2008_pg1_4
1853# </a>
1854
1855# From Arthur David Olson (2008-05-19):
1856# XXX--midnight transitions is a guess; 2008 only is a guess.
1857
1858# From Alexander Krivenyshev (2008-08-28):
1859# Pakistan government has decided to keep the watches one-hour advanced
1860# for another 2 months--plan to return to Standard Time on October 31
1861# instead of August 31.
1862#
1863# <a href="http://www.worldtimezone.com/dst_news/dst_news_pakistan02.html">
1864# http://www.worldtimezone.com/dst_news/dst_news_pakistan02.html
1865# </a>
1866# OR
1867# <a href="http://dailymailnews.com/200808/28/news/dmbrn03.html">
1868# http://dailymailnews.com/200808/28/news/dmbrn03.html
1869# </a>
1870
1871# From Alexander Krivenyshev (2009-04-08):
1872# Based on previous media reports that "... proposed plan to
1873# advance clocks by one hour from May 1 will cause disturbance
1874# to the working schedules rather than bringing discipline in
1875# official working."
1876# <a href="http://www.thenews.com.pk/daily_detail.asp?id=171280">
1877# http://www.thenews.com.pk/daily_detail.asp?id=171280
1878# </a>
1879#
1880# recent news that instead of May 2009 - Pakistan plan to
1881# introduce DST from April 15, 2009
1882#
1883# FYI: Associated Press Of Pakistan
1884# April 08, 2009
1885# Cabinet okays proposal to advance clocks by one hour from April 15
1886# <a href="http://www.app.com.pk/en_/index.php?option=com_content&task=view&id=73043&Itemid=1">
1887# http://www.app.com.pk/en_/index.php?option=com_content&task=view&id=73043&Itemid=1
1888# </a>
1889#
1890# or
1891#
1892# <a href="http://www.worldtimezone.com/dst_news/dst_news_pakistan05.html">
1893# http://www.worldtimezone.com/dst_news/dst_news_pakistan05.html
1894# </a>
1895#
1896# ....
1897# The Federal Cabinet on Wednesday approved the proposal to
1898# advance clocks in the country by one hour from April 15 to
1899# conserve energy"
1900
1901# From Steffen Thorsen (2009-09-17):
1902# "The News International," Pakistan reports that: "The Federal
1903# Government has decided to restore the previous time by moving the
1904# clocks backward by one hour from October 1. A formal announcement to
1905# this effect will be made after the Prime Minister grants approval in
1906# this regard."
1907# <a href="http://www.thenews.com.pk/updates.asp?id=87168">
1908# http://www.thenews.com.pk/updates.asp?id=87168
1909# </a>
1910
1911# From Alexander Krivenyshev (2009-09-28):
1912# According to Associated Press Of Pakistan, it is confirmed that
1913# Pakistan clocks across the country would be turned back by an hour from October
1914# 1, 2009.
1915#
1916# "Clocks to go back one hour from 1 Oct"
1917# <a href="http://www.app.com.pk/en_/index.php?option=com_content&task=view&id=86715&Itemid=2">
1918# http://www.app.com.pk/en_/index.php?option=com_content&task=view&id=86715&Itemid=2
1919# </a>
1920# or
1921# <a href="http://www.worldtimezone.com/dst_news/dst_news_pakistan07.htm">
1922# http://www.worldtimezone.com/dst_news/dst_news_pakistan07.htm
1923# </a>
1924
1925# From Steffen Thorsen (2009-09-29):
1926# Alexander Krivenyshev wrote:
1927# > According to Associated Press Of Pakistan, it is confirmed that
1928# > Pakistan clocks across the country would be turned back by an hour from October
1929# > 1, 2009.
1930#
1931# Now they seem to have changed their mind, November 1 is the new date:
1932# <a href="http://www.thenews.com.pk/top_story_detail.asp?Id=24742">
1933# http://www.thenews.com.pk/top_story_detail.asp?Id=24742
1934# </a>
1935# "The country's clocks will be reversed by one hour on November 1.
1936# Officials of Federal Ministry for Interior told this to Geo News on
1937# Monday."
1938#
1939# And more importantly, it seems that these dates will be kept every year:
1940# "It has now been decided that clocks will be wound forward by one hour
1941# on April 15 and reversed by an hour on November 1 every year without
1942# obtaining prior approval, the officials added."
1943#
1944# We have confirmed this year's end date with both with the Ministry of
1945# Water and Power and the Pakistan Electric Power Company:
1946# <a href="http://www.timeanddate.com/news/time/pakistan-ends-dst09.html">
1947# http://www.timeanddate.com/news/time/pakistan-ends-dst09.html
1948# </a>
1949
1950# From Christoph Goehre (2009-10-01):
1951# [T]he German Consulate General in Karachi reported me today that Pakistan
1952# will go back to standard time on 1st of November.
1953
1954# From Steffen Thorsen (2010-03-26):
1955# Steffen Thorsen wrote:
1956# > On Thursday (2010-03-25) it was announced that DST would start in
1957# > Pakistan on 2010-04-01.
1958# >
1959# > Then today, the president said that they might have to revert the
1960# > decision if it is not supported by the parliament. So at the time
1961# > being, it seems unclear if DST will be actually observed or not - but
1962# > April 1 could be a more likely date than April 15.
1963# Now, it seems that the decision to not observe DST in final:
1964#
1965# "Govt Withdraws Plan To Advance Clocks"
1966# <a href="http://www.apakistannews.com/govt-withdraws-plan-to-advance-clocks-172041">
1967# http://www.apakistannews.com/govt-withdraws-plan-to-advance-clocks-172041
1968# </a>
1969#
1970# "People laud PM's announcement to end DST"
1971# <a href="http://www.app.com.pk/en_/index.php?option=com_content&task=view&id=99374&Itemid=2">
1972# http://www.app.com.pk/en_/index.php?option=com_content&task=view&id=99374&Itemid=2
1973# </a>
1974
1975# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1976Rule Pakistan 2002 only - Apr Sun>=2 0:01 1:00 S
1977Rule Pakistan 2002 only - Oct Sun>=2 0:01 0 -
1978Rule Pakistan 2008 only - Jun 1 0:00 1:00 S
1979Rule Pakistan 2008 only - Nov 1 0:00 0 -
1980Rule Pakistan 2009 only - Apr 15 0:00 1:00 S
1981Rule Pakistan 2009 only - Nov 1 0:00 0 -
1982
1983# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1984Zone Asia/Karachi 4:28:12 - LMT 1907
1985 5:30 - IST 1942 Sep
1986 5:30 1:00 IST 1945 Oct 15
1987 5:30 - IST 1951 Sep 30
1988 5:00 - KART 1971 Mar 26 # Karachi Time
1989 5:00 Pakistan PK%sT # Pakistan Time
1990
1991# Palestine
1992
1993# From Amos Shapir (1998-02-15):
1994#
1995# From 1917 until 1948-05-15, all of Palestine, including the parts now
1996# known as the Gaza Strip and the West Bank, was under British rule.
1997# Therefore the rules given for Israel for that period, apply there too...
1998#
1999# The Gaza Strip was under Egyptian rule between 1948-05-15 until 1967-06-05
2000# (except a short occupation by Israel from 1956-11 till 1957-03, but no
2001# time zone was affected then). It was never formally annexed to Egypt,
2002# though.
2003#
2004# The rest of Palestine was under Jordanian rule at that time, formally
2005# annexed in 1950 as the West Bank (and the word "Trans" was dropped from
2006# the country's previous name of "the Hashemite Kingdom of the
2007# Trans-Jordan"). So the rules for Jordan for that time apply. Major
2008# towns in that area are Nablus (Shchem), El-Halil (Hebron), Ramallah, and
2009# East Jerusalem.
2010#
2011# Both areas were occupied by Israel in June 1967, but not annexed (except
2012# for East Jerusalem). They were on Israel time since then; there might
2013# have been a Military Governor's order about time zones, but I'm not aware
2014# of any (such orders may have been issued semi-annually whenever summer
2015# time was in effect, but maybe the legal aspect of time was just neglected).
2016#
2017# The Palestinian Authority was established in 1993, and got hold of most
2018# towns in the West Bank and Gaza by 1995. I know that in order to
2019# demonstrate...independence, they have been switching to
2020# summer time and back on a different schedule than Israel's, but I don't
2021# know when this was started, or what algorithm is used (most likely the
2022# Jordanian one).
2023#
2024# To summarize, the table should probably look something like that:
2025#
2026# Area \ when | 1918-1947 | 1948-1967 | 1967-1995 | 1996-
2027# ------------+-----------+-----------+-----------+-----------
2028# Israel | Zion | Zion | Zion | Zion
2029# West bank | Zion | Jordan | Zion | Jordan
2030# Gaza | Zion | Egypt | Zion | Jordan
2031#
2032# I guess more info may be available from the PA's web page (if/when they
2033# have one).
2034
2035# From Paul Eggert (2006-03-22):
2036# Shanks & Pottenger write that Gaza did not observe DST until 1957, but go
2037# with Shapir and assume that it observed DST from 1940 through 1947,
2038# and that it used Jordanian rules starting in 1996.
2039# We don't yet need a separate entry for the West Bank, since
2040# the only differences between it and Gaza that we know about
2041# occurred before our cutoff date of 1970.
2042# However, as we get more information, we may need to add entries
2043# for parts of the West Bank as they transitioned from Israel's rules
2044# to Palestine's rules. If you have more info about this, please
2045# send it to tz@elsie.nci.nih.gov for incorporation into future editions.
2046
2047# From IINS News Service - Israel - 1998-03-23 10:38:07 Israel time,
2048# forwarded by Ephraim Silverberg:
2049#
2050# Despite the fact that Israel changed over to daylight savings time
2051# last week, the PLO Authority (PA) has decided not to turn its clocks
2052# one-hour forward at this time. As a sign of independence from Israeli rule,
2053# the PA has decided to implement DST in April.
2054
2055# From Paul Eggert (1999-09-20):
2056# Daoud Kuttab writes in
2057# <a href="http://www.jpost.com/com/Archive/22.Apr.1999/Opinion/Article-2.html">
2058# Holiday havoc
2059# </a> (Jerusalem Post, 1999-04-22) that
2060# the Palestinian National Authority changed to DST on 1999-04-15.
2061# I vaguely recall that they switch back in October (sorry, forgot the source).
2062# For now, let's assume that the spring switch was at 24:00,
2063# and that they switch at 0:00 on the 3rd Fridays of April and October.
2064
2065# From Paul Eggert (2005-11-22):
2066# Starting 2004 transitions are from Steffen Thorsen's web site timeanddate.com.
2067
2068# From Steffen Thorsen (2005-11-23):
2069# A user from Gaza reported that Gaza made the change early because of
2070# the Ramadan. Next year Ramadan will be even earlier, so I think
2071# there is a good chance next year's end date will be around two weeks
2072# earlier--the same goes for Jordan.
2073
2074# From Steffen Thorsen (2006-08-17):
2075# I was informed by a user in Bethlehem that in Bethlehem it started the
2076# same day as Israel, and after checking with other users in the area, I
2077# was informed that they started DST one day after Israel. I was not
2078# able to find any authoritative sources at the time, nor details if
2079# Gaza changed as well, but presumed Gaza to follow the same rules as
2080# the West Bank.
2081
2082# From Steffen Thorsen (2006-09-26):
2083# according to the Palestine News Network (2006-09-19):
2084# http://english.pnn.ps/index.php?option=com_content&task=view&id=596&Itemid=5
2085# > The Council of Ministers announced that this year its winter schedule
2086# > will begin early, as of midnight Thursday. It is also time to turn
2087# > back the clocks for winter. Friday will begin an hour late this week.
2088# I guess it is likely that next year's date will be moved as well,
2089# because of the Ramadan.
2090
2091# From Jesper Norgaard Welen (2007-09-18):
2092# According to Steffen Thorsen's web site the Gaza Strip and the rest of the
2093# Palestinian territories left DST early on 13.th. of September at 2:00.
2094
2095# From Paul Eggert (2007-09-20):
2096# My understanding is that Gaza and the West Bank disagree even over when
2097# the weekend is (Thursday+Friday versus Friday+Saturday), so I'd be a bit
2098# surprised if they agreed about DST. But for now, assume they agree.
2099# For lack of better information, predict that future changes will be
2100# the 2nd Thursday of September at 02:00.
2101
2102# From Alexander Krivenyshev (2008-08-28):
2103# Here is an article, that Mideast running on different clocks at Ramadan.
2104#
2105# Gaza Strip (as Egypt) ended DST at midnight Thursday (Aug 28, 2008), while
2106# the West Bank will end Daylight Saving Time at midnight Sunday (Aug 31, 2008).
2107#
2108# <a href="http://www.guardian.co.uk/world/feedarticle/7759001">
2109# http://www.guardian.co.uk/world/feedarticle/7759001
2110# </a>
2111# <a href="http://www.abcnews.go.com/International/wireStory?id=5676087">
2112# http://www.abcnews.go.com/International/wireStory?id=5676087
2113# </a>
2114# or
2115# <a href="http://www.worldtimezone.com/dst_news/dst_news_gazastrip01.html">
2116# http://www.worldtimezone.com/dst_news/dst_news_gazastrip01.html
2117# </a>
2118
2119# From Alexander Krivenyshev (2009-03-26):
2120# According to the Palestine News Network (arabic.pnn.ps), Palestinian
2121# government decided to start Daylight Time on Thursday night March
2122# 26 and continue until the night of 27 September 2009.
2123#
2124# (in Arabic)
2125# <a href="http://arabic.pnn.ps/index.php?option=com_content&task=view&id=50850">
2126# http://arabic.pnn.ps/index.php?option=com_content&task=view&id=50850
2127# </a>
2128#
2129# or
2130# (English translation)
2131# <a href="http://www.worldtimezone.com/dst_news/dst_news_westbank01.html">
2132# http://www.worldtimezone.com/dst_news/dst_news_westbank01.html
2133# </a>
2134
2135# From Steffen Thorsen (2009-08-31):
2136# Palestine's Council of Ministers announced that they will revert back to
2137# winter time on Friday, 2009-09-04.
2138#
2139# One news source:
2140# <a href="http://www.safa.ps/ara/?action=showdetail&seid=4158">
2141# http://www.safa.ps/ara/?action=showdetail&seid=4158
2142# </a>
2143# (Palestinian press agency, Arabic),
2144# Google translate: "Decided that the Palestinian government in Ramallah
2145# headed by Salam Fayyad, the start of work in time for the winter of
2146# 2009, starting on Friday approved the fourth delay Sept. clock sixty
2147# minutes per hour as of Friday morning."
2148#
2149# We are not sure if Gaza will do the same, last year they had a different
2150# end date, we will keep this page updated:
2151# <a href="http://www.timeanddate.com/news/time/westbank-gaza-dst-2009.html">
2152# http://www.timeanddate.com/news/time/westbank-gaza-dst-2009.html
2153# </a>
2154
2155# From Alexander Krivenyshev (2009-09-02):
2156# Seems that Gaza Strip will go back to Winter Time same date as West Bank.
2157#
2158# According to Palestinian Ministry Of Interior, West Bank and Gaza Strip plan
2159# to change time back to Standard time on September 4, 2009.
2160#
2161# "Winter time unite the West Bank and Gaza"
2162# (from Palestinian National Authority):
2163# <a href="http://www.moi.gov.ps/en/?page=633167343250594025&nid=11505
2164# http://www.moi.gov.ps/en/?page=633167343250594025&nid=11505
2165# </a>
2166# or
2167# <a href="http://www.worldtimezone.com/dst_news/dst_news_gazastrip02.html>
2168# http://www.worldtimezone.com/dst_news/dst_news_gazastrip02.html
2169# </a>
2170
2171# From Alexander Krivenyshev (2010-03-19):
2172# According to Voice of Palestine DST will last for 191 days, from March
2173# 26, 2010 till "the last Sunday before the tenth day of Tishri
2174# (October), each year" (October 03, 2010?)
2175#
2176# <a href="http://palvoice.org/forums/showthread.php?t=245697">
2177# http://palvoice.org/forums/showthread.php?t=245697
2178# </a>
2179# (in Arabic)
2180# or
2181# <a href="http://www.worldtimezone.com/dst_news/dst_news_westbank03.html">
2182# http://www.worldtimezone.com/dst_news/dst_news_westbank03.html
2183# </a>
2184
2185# From Steffen Thorsen (2010-03-24):
2186# ...Ma'an News Agency reports that Hamas cabinet has decided it will
2187# start one day later, at 12:01am. Not sure if they really mean 12:01am or
2188# noon though:
2189#
2190# <a href="http://www.maannews.net/eng/ViewDetails.aspx?ID=271178">
2191# http://www.maannews.net/eng/ViewDetails.aspx?ID=271178
2192# </a>
2193# (Ma'an News Agency)
2194# "At 12:01am Friday, clocks in Israel and the West Bank will change to
2195# 1:01am, while Gaza clocks will change at 12:01am Saturday morning."
2196
2197# From Steffen Thorsen (2010-08-11):
2198# According to several sources, including
2199# <a href="http://www.maannews.net/eng/ViewDetails.aspx?ID=306795">
2200# http://www.maannews.net/eng/ViewDetails.aspx?ID=306795
2201# </a>
2202# the clocks were set back one hour at 2010-08-11 00:00:00 local time in
2203# Gaza and the West Bank.
2204# Some more background info:
2205# <a href="http://www.timeanddate.com/news/time/westbank-gaza-end-dst-2010.html">
2206# http://www.timeanddate.com/news/time/westbank-gaza-end-dst-2010.html
2207# </a>
2208
2209# From Steffen Thorsen (2011-08-26):
2210# Gaza and the West Bank did go back to standard time in the beginning of
2211# August, and will now enter daylight saving time again on 2011-08-30
2212# 00:00 (so two periods of DST in 2011). The pause was because of
2213# Ramadan.
2214#
2215# <a href="http://www.maannews.net/eng/ViewDetails.aspx?ID=416217">
2216# http://www.maannews.net/eng/ViewDetails.aspx?ID=416217
2217# </a>
2218# Additional info:
2219# <a href="http://www.timeanddate.com/news/time/palestine-dst-2011.html">
2220# http://www.timeanddate.com/news/time/palestine-dst-2011.html
2221# </a>
2222
2223# From Alexander Krivenyshev (2011-08-27):
2224# According to the article in The Jerusalem Post:
2225# "...Earlier this month, the Palestinian government in the West Bank decided to
2226# move to standard time for 30 days, during Ramadan. The Palestinians in the
2227# Gaza Strip accepted the change and also moved their clocks one hour back.
2228# The Hamas government said on Saturday that it won't observe summertime after
2229# the Muslim feast of Id al-Fitr, which begins on Tuesday..."
2230# ...
2231# <a href="http://www.jpost.com/MiddleEast/Article.aspx?id=235650">
2232# http://www.jpost.com/MiddleEast/Article.aspx?id=235650
2233# </a>
2234# or
2235# <a href="http://www.worldtimezone.com/dst_news/dst_news_gazastrip05.html">
2236# http://www.worldtimezone.com/dst_news/dst_news_gazastrip05.html
2237# </a>
2238# The rules for Egypt are stolen from the `africa' file.
2239
2240# From Steffen Thorsen (2011-09-30):
2241# West Bank did end Daylight Saving Time this morning/midnight (2011-09-30
2242# 00:00).
2243# So West Bank and Gaza now have the same time again.
2244#
2245# Many sources, including:
2246# <a href="http://www.maannews.net/eng/ViewDetails.aspx?ID=424808">
2247# http://www.maannews.net/eng/ViewDetails.aspx?ID=424808
2248# </a>
2249
2250# From Steffen Thorsen (2012-03-26):
2251# Palestinian news sources tell that both Gaza and West Bank will start DST
2252# on Friday (Thursday midnight, 2012-03-29 24:00).
2253# Some of many sources in Arabic:
2254# <a href="http://www.samanews.com/index.php?act=Show&id=122638">
2255# http://www.samanews.com/index.php?act=Show&id=122638
2256# </a>
2257#
2258# <a href="http://safa.ps/details/news/74352/%D8%A8%D8%AF%D8%A1-%D8%A7%D9%84%D8%AA%D9%88%D9%82%D9%8A%D8%AA-%D8%A7%D9%84%D8%B5%D9%8A%D9%81%D9%8A-%D8%A8%D8%A7%D9%84%D8%B6%D9%81%D8%A9-%D9%88%D8%BA%D8%B2%D8%A9-%D9%84%D9%8A%D9%84%D8%A9-%D8%A7%D9%84%D8%AC%D9%85%D8%B9%D8%A9.html">
2259# http://safa.ps/details/news/74352/%D8%A8%D8%AF%D8%A1-%D8%A7%D9%84%D8%AA%D9%88%D9%82%D9%8A%D8%AA-%D8%A7%D9%84%D8%B5%D9%8A%D9%81%D9%8A-%D8%A8%D8%A7%D9%84%D8%B6%D9%81%D8%A9-%D9%88%D8%BA%D8%B2%D8%A9-%D9%84%D9%8A%D9%84%D8%A9-%D8%A7%D9%84%D8%AC%D9%85%D8%B9%D8%A9.html
2260# </a>
2261#
2262# Our brief summary:
2263# <a href="http://www.timeanddate.com/news/time/gaza-west-bank-dst-2012.html">
2264# http://www.timeanddate.com/news/time/gaza-west-bank-dst-2012.html
2265# </a>
2266
2267# From Arthur David Olson (2012-03-27):
2268# The timeanddate article for 2012 says that "the end date has not yet been
2269# announced" and that "Last year, both...paused daylight saving time during...
2270# Ramadan. It is not yet known [for] 2012."
2271# For now, assume both switch back on the last Friday in September. XXX
2272
2273# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
2274Rule EgyptAsia 1957 only - May 10 0:00 1:00 S
2275Rule EgyptAsia 1957 1958 - Oct 1 0:00 0 -
2276Rule EgyptAsia 1958 only - May 1 0:00 1:00 S
2277Rule EgyptAsia 1959 1967 - May 1 1:00 1:00 S
2278Rule EgyptAsia 1959 1965 - Sep 30 3:00 0 -
2279Rule EgyptAsia 1966 only - Oct 1 3:00 0 -
2280
2281Rule Palestine 1999 2005 - Apr Fri>=15 0:00 1:00 S
2282Rule Palestine 1999 2003 - Oct Fri>=15 0:00 0 -
2283Rule Palestine 2004 only - Oct 1 1:00 0 -
2284Rule Palestine 2005 only - Oct 4 2:00 0 -
2285Rule Palestine 2006 2008 - Apr 1 0:00 1:00 S
2286Rule Palestine 2006 only - Sep 22 0:00 0 -
2287Rule Palestine 2007 only - Sep Thu>=8 2:00 0 -
2288Rule Palestine 2008 only - Aug lastFri 0:00 0 -
2289Rule Palestine 2009 only - Mar lastFri 0:00 1:00 S
2290Rule Palestine 2009 only - Sep Fri>=1 2:00 0 -
2291Rule Palestine 2010 only - Mar lastSat 0:01 1:00 S
2292Rule Palestine 2010 only - Aug 11 0:00 0 -
2293
2294# From Arthur David Olson (2011-09-20):
2295# 2011 transitions per http://www.timeanddate.com as of 2011-09-20.
2296# From Paul Eggert (2012-10-12):
2297# 2012 transitions per http://www.timeanddate.com as of 2012-10-12.
2298
2299# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2300Zone Asia/Gaza 2:17:52 - LMT 1900 Oct
2301 2:00 Zion EET 1948 May 15
2302 2:00 EgyptAsia EE%sT 1967 Jun 5
2303 2:00 Zion I%sT 1996
2304 2:00 Jordan EE%sT 1999
2305 2:00 Palestine EE%sT 2011 Apr 2 12:01
2306 2:00 1:00 EEST 2011 Aug 1
2307 2:00 - EET 2012 Mar 30
2308 2:00 1:00 EEST 2012 Sep 21 1:00
2309 2:00 - EET
2310
2311Zone Asia/Hebron 2:20:23 - LMT 1900 Oct
2312 2:00 Zion EET 1948 May 15
2313 2:00 EgyptAsia EE%sT 1967 Jun 5
2314 2:00 Zion I%sT 1996
2315 2:00 Jordan EE%sT 1999
2316 2:00 Palestine EE%sT 2008 Aug
2317 2:00 1:00 EEST 2008 Sep
2318 2:00 Palestine EE%sT 2011 Apr 1 12:01
2319 2:00 1:00 EEST 2011 Aug 1
2320 2:00 - EET 2011 Aug 30
2321 2:00 1:00 EEST 2011 Sep 30 3:00
2322 2:00 - EET 2012 Mar 30
2323 2:00 1:00 EEST 2012 Sep 21 1:00
2324 2:00 - EET
2325
2326# Paracel Is
2327# no information
2328
2329# Philippines
2330# On 1844-08-16, Narciso Claveria, governor-general of the
2331# Philippines, issued a proclamation announcing that 1844-12-30 was to
2332# be immediately followed by 1845-01-01. Robert H. van Gent has a
2333# transcript of the decree in <http://www.phys.uu.nl/~vgent/idl/idl.htm>.
2334# The rest of the data are from Shanks & Pottenger.
2335
2336# From Paul Eggert (2006-04-25):
2337# Tomorrow's Manila Standard reports that the Philippines Department of
2338# Trade and Industry is considering adopting DST this June when the
2339# rainy season begins. See
2340# <http://www.manilastandardtoday.com/?page=politics02_april26_2006>.
2341# For now, we'll ignore this, since it's not definite and we lack details.
2342#
2343# From Jesper Norgaard Welen (2006-04-26):
2344# ... claims that Philippines had DST last time in 1990:
2345# http://story.philippinetimes.com/p.x/ct/9/id/145be20cc6b121c0/cid/3e5bbccc730d258c/
2346# [a story dated 2006-04-25 by Cris Larano of Dow Jones Newswires,
2347# but no details]
2348
2349# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
2350Rule Phil 1936 only - Nov 1 0:00 1:00 S
2351Rule Phil 1937 only - Feb 1 0:00 0 -
2352Rule Phil 1954 only - Apr 12 0:00 1:00 S
2353Rule Phil 1954 only - Jul 1 0:00 0 -
2354Rule Phil 1978 only - Mar 22 0:00 1:00 S
2355Rule Phil 1978 only - Sep 21 0:00 0 -
2356# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2357Zone Asia/Manila -15:56:00 - LMT 1844 Dec 31
2358 8:04:00 - LMT 1899 May 11
2359 8:00 Phil PH%sT 1942 May
2360 9:00 - JST 1944 Nov
2361 8:00 Phil PH%sT
2362
2363# Qatar
2364# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2365Zone Asia/Qatar 3:26:08 - LMT 1920 # Al Dawhah / Doha
2366 4:00 - GST 1972 Jun
2367 3:00 - AST
2368
2369# Saudi Arabia
2370# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2371Zone Asia/Riyadh 3:06:52 - LMT 1950
2372 3:00 - AST
2373
2374# Singapore
2375# The data here are taken from Mok Ly Yng (2003-10-30)
2376# <http://www.math.nus.edu.sg/aslaksen/teaching/timezone.html>.
2377# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2378Zone Asia/Singapore 6:55:25 - LMT 1901 Jan 1
2379 6:55:25 - SMT 1905 Jun 1 # Singapore M.T.
2380 7:00 - MALT 1933 Jan 1 # Malaya Time
2381 7:00 0:20 MALST 1936 Jan 1
2382 7:20 - MALT 1941 Sep 1
2383 7:30 - MALT 1942 Feb 16
2384 9:00 - JST 1945 Sep 12
2385 7:30 - MALT 1965 Aug 9 # independence
2386 7:30 - SGT 1982 Jan 1 # Singapore Time
2387 8:00 - SGT
2388
2389# Spratly Is
2390# no information
2391
2392# Sri Lanka
2393# From Paul Eggert (1996-09-03):
2394# "Sri Lanka advances clock by an hour to avoid blackout"
2395# (www.virtual-pc.com/lankaweb/news/items/240596-2.html, 1996-05-24,
2396# no longer available as of 1999-08-17)
2397# reported ``the country's standard time will be put forward by one hour at
2398# midnight Friday (1830 GMT) `in the light of the present power crisis'.''
2399#
2400# From Dharmasiri Senanayake, Sri Lanka Media Minister (1996-10-24), as quoted
2401# by Shamindra in
2402# <a href="news:54rka5$m5h@mtinsc01-mgt.ops.worldnet.att.net">
2403# Daily News - Hot News Section (1996-10-26)
2404# </a>:
2405# With effect from 12.30 a.m. on 26th October 1996
2406# Sri Lanka will be six (06) hours ahead of GMT.
2407
2408# From Jesper Norgaard Welen (2006-04-14), quoting Sri Lanka News Online
2409# <http://news.sinhalaya.com/wmview.php?ArtID=11002> (2006-04-13):
2410# 0030 hrs on April 15, 2006 (midnight of April 14, 2006 +30 minutes)
2411# at present, become 2400 hours of April 14, 2006 (midnight of April 14, 2006).
2412
2413# From Peter Apps and Ranga Sirila of Reuters (2006-04-12) in:
2414# <http://today.reuters.co.uk/news/newsArticle.aspx?type=scienceNews&storyID=2006-04-12T172228Z_01_COL295762_RTRIDST_0_SCIENCE-SRILANKA-TIME-DC.XML>
2415# [The Tamil Tigers] never accepted the original 1996 time change and simply
2416# kept their clocks set five and a half hours ahead of Greenwich Mean
2417# Time (GMT), in line with neighbor India.
2418# From Paul Eggert (2006-04-18):
2419# People who live in regions under Tamil control can use [TZ='Asia/Kolkata'],
2420# as that zone has agreed with the Tamil areas since our cutoff date of 1970.
2421
2422# From K Sethu (2006-04-25):
2423# I think the abbreviation LKT originated from the world of computers at
2424# the time of or subsequent to the time zone changes by SL Government
2425# twice in 1996 and probably SL Government or its standardization
2426# agencies never declared an abbreviation as a national standard.
2427#
2428# I recollect before the recent change the government annoucemments
2429# mentioning it as simply changing Sri Lanka Standard Time or Sri Lanka
2430# Time and no mention was made about the abbreviation.
2431#
2432# If we look at Sri Lanka Department of Government's "Official News
2433# Website of Sri Lanka" ... http://www.news.lk/ we can see that they
2434# use SLT as abbreviation in time stamp at the beginning of each news
2435# item....
2436#
2437# Within Sri Lanka I think LKT is well known among computer users and
2438# adminsitrators. In my opinion SLT may not be a good choice because the
2439# nation's largest telcom / internet operator Sri Lanka Telcom is well
2440# known by that abbreviation - simply as SLT (there IP domains are
2441# slt.lk and sltnet.lk).
2442#
2443# But if indeed our government has adopted SLT as standard abbreviation
2444# (that we have not known so far) then it is better that it be used for
2445# all computers.
2446
2447# From Paul Eggert (2006-04-25):
2448# One possibility is that we wait for a bit for the dust to settle down
2449# and then see what people actually say in practice.
2450
2451# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2452Zone Asia/Colombo 5:19:24 - LMT 1880
2453 5:19:32 - MMT 1906 # Moratuwa Mean Time
2454 5:30 - IST 1942 Jan 5
2455 5:30 0:30 IHST 1942 Sep
2456 5:30 1:00 IST 1945 Oct 16 2:00
2457 5:30 - IST 1996 May 25 0:00
2458 6:30 - LKT 1996 Oct 26 0:30
2459 6:00 - LKT 2006 Apr 15 0:30
2460 5:30 - IST
2461
2462# Syria
2463# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
2464Rule Syria 1920 1923 - Apr Sun>=15 2:00 1:00 S
2465Rule Syria 1920 1923 - Oct Sun>=1 2:00 0 -
2466Rule Syria 1962 only - Apr 29 2:00 1:00 S
2467Rule Syria 1962 only - Oct 1 2:00 0 -
2468Rule Syria 1963 1965 - May 1 2:00 1:00 S
2469Rule Syria 1963 only - Sep 30 2:00 0 -
2470Rule Syria 1964 only - Oct 1 2:00 0 -
2471Rule Syria 1965 only - Sep 30 2:00 0 -
2472Rule Syria 1966 only - Apr 24 2:00 1:00 S
2473Rule Syria 1966 1976 - Oct 1 2:00 0 -
2474Rule Syria 1967 1978 - May 1 2:00 1:00 S
2475Rule Syria 1977 1978 - Sep 1 2:00 0 -
2476Rule Syria 1983 1984 - Apr 9 2:00 1:00 S
2477Rule Syria 1983 1984 - Oct 1 2:00 0 -
2478Rule Syria 1986 only - Feb 16 2:00 1:00 S
2479Rule Syria 1986 only - Oct 9 2:00 0 -
2480Rule Syria 1987 only - Mar 1 2:00 1:00 S
2481Rule Syria 1987 1988 - Oct 31 2:00 0 -
2482Rule Syria 1988 only - Mar 15 2:00 1:00 S
2483Rule Syria 1989 only - Mar 31 2:00 1:00 S
2484Rule Syria 1989 only - Oct 1 2:00 0 -
2485Rule Syria 1990 only - Apr 1 2:00 1:00 S
2486Rule Syria 1990 only - Sep 30 2:00 0 -
2487Rule Syria 1991 only - Apr 1 0:00 1:00 S
2488Rule Syria 1991 1992 - Oct 1 0:00 0 -
2489Rule Syria 1992 only - Apr 8 0:00 1:00 S
2490Rule Syria 1993 only - Mar 26 0:00 1:00 S
2491Rule Syria 1993 only - Sep 25 0:00 0 -
2492# IATA SSIM (1998-02) says 1998-04-02;
2493# (1998-09) says 1999-03-29 and 1999-09-29; (1999-02) says 1999-04-02,
2494# 2000-04-02, and 2001-04-02; (1999-09) says 2000-03-31 and 2001-03-31;
2495# (2006) says 2006-03-31 and 2006-09-22;
2496# for now ignore all these claims and go with Shanks & Pottenger,
2497# except for the 2006-09-22 claim (which seems right for Ramadan).
2498Rule Syria 1994 1996 - Apr 1 0:00 1:00 S
2499Rule Syria 1994 2005 - Oct 1 0:00 0 -
2500Rule Syria 1997 1998 - Mar lastMon 0:00 1:00 S
2501Rule Syria 1999 2006 - Apr 1 0:00 1:00 S
2502# From Stephen Colebourne (2006-09-18):
2503# According to IATA data, Syria will change DST on 21st September [21:00 UTC]
2504# this year [only].... This is probably related to Ramadan, like Egypt.
2505Rule Syria 2006 only - Sep 22 0:00 0 -
2506# From Paul Eggert (2007-03-29):
2507# Today the AP reported "Syria will switch to summertime at midnight Thursday."
2508# http://www.iht.com/articles/ap/2007/03/29/africa/ME-GEN-Syria-Time-Change.php
2509Rule Syria 2007 only - Mar lastFri 0:00 1:00 S
2510# From Jesper Norgard (2007-10-27):
2511# The sister center ICARDA of my work CIMMYT is confirming that Syria DST will
2512# not take place 1.st November at 0:00 o'clock but 1.st November at 24:00 or
2513# rather Midnight between Thursday and Friday. This does make more sence than
2514# having it between Wednesday and Thursday (two workdays in Syria) since the
2515# weekend in Syria is not Saturday and Sunday, but Friday and Saturday. So now
2516# it is implemented at midnight of the last workday before weekend...
2517#
2518# From Steffen Thorsen (2007-10-27):
2519# Jesper Norgaard Welen wrote:
2520#
2521# > "Winter local time in Syria will be observed at midnight of Thursday 1
2522# > November 2007, and the clock will be put back 1 hour."
2523#
2524# I found confirmation on this in this gov.sy-article (Arabic):
2525# http://wehda.alwehda.gov.sy/_print_veiw.asp?FileName=12521710520070926111247
2526#
2527# which using Google's translate tools says:
2528# Council of Ministers also approved the commencement of work on
2529# identifying the winter time as of Friday, 2/11/2007 where the 60th
2530# minute delay at midnight Thursday 1/11/2007.
2531Rule Syria 2007 only - Nov Fri>=1 0:00 0 -
2532
2533# From Stephen Colebourne (2008-03-17):
2534# For everyone's info, I saw an IATA time zone change for [Syria] for
2535# this month (March 2008) in the last day or so...This is the data IATA
2536# are now using:
2537# Country Time Standard --- DST Start --- --- DST End --- DST
2538# Name Zone Variation Time Date Time Date
2539# Variation
2540# Syrian Arab
2541# Republic SY +0200 2200 03APR08 2100 30SEP08 +0300
2542# 2200 02APR09 2100 30SEP09 +0300
2543# 2200 01APR10 2100 30SEP10 +0300
2544
2545# From Arthur David Olson (2008-03-17):
2546# Here's a link to English-language coverage by the Syrian Arab News
2547# Agency (SANA)...
2548# <a href="http://www.sana.sy/eng/21/2008/03/11/165173.htm">
2549# http://www.sana.sy/eng/21/2008/03/11/165173.htm
2550# </a>...which reads (in part) "The Cabinet approved the suggestion of the
2551# Ministry of Electricity to begin daylight savings time on Friday April
2552# 4th, advancing clocks one hour ahead on midnight of Thursday April 3rd."
2553# Since Syria is two hours east of UTC, the 2200 and 2100 transition times
2554# shown above match up with midnight in Syria.
2555
2556# From Arthur David Olson (2008-03-18):
2557# My buest guess at a Syrian rule is "the Friday nearest April 1";
2558# coding that involves either using a "Mar Fri>=29" construct that old time zone
2559# compilers can't handle or having multiple Rules (a la Israel).
2560# For now, use "Apr Fri>=1", and go with IATA on a uniform Sep 30 end.
2561
2562# From Steffen Thorsen (2008-10-07):
2563# Syria has now officially decided to end DST on 2008-11-01 this year,
2564# according to the following article in the Syrian Arab News Agency (SANA).
2565#
2566# The article is in Arabic, and seems to tell that they will go back to
2567# winter time on 2008-11-01 at 00:00 local daylight time (delaying/setting
2568# clocks back 60 minutes).
2569#
2570# <a href="http://sana.sy/ara/2/2008/10/07/195459.htm">
2571# http://sana.sy/ara/2/2008/10/07/195459.htm
2572# </a>
2573
2574# From Steffen Thorsen (2009-03-19):
2575# Syria will start DST on 2009-03-27 00:00 this year according to many sources,
2576# two examples:
2577#
2578# <a href="http://www.sana.sy/eng/21/2009/03/17/217563.htm">
2579# http://www.sana.sy/eng/21/2009/03/17/217563.htm
2580# </a>
2581# (English, Syrian Arab News # Agency)
2582# <a href="http://thawra.alwehda.gov.sy/_View_news2.asp?FileName=94459258720090318012209">
2583# http://thawra.alwehda.gov.sy/_View_news2.asp?FileName=94459258720090318012209
2584# </a>
2585# (Arabic, gov-site)
2586#
2587# We have not found any sources saying anything about when DST ends this year.
2588#
2589# Our summary
2590# <a href="http://www.timeanddate.com/news/time/syria-dst-starts-march-27-2009.html">
2591# http://www.timeanddate.com/news/time/syria-dst-starts-march-27-2009.html
2592# </a>
2593
2594# From Steffen Thorsen (2009-10-27):
2595# The Syrian Arab News Network on 2009-09-29 reported that Syria will
2596# revert back to winter (standard) time on midnight between Thursday
2597# 2009-10-29 and Friday 2009-10-30:
2598# <a href="http://www.sana.sy/ara/2/2009/09/29/247012.htm">
2599# http://www.sana.sy/ara/2/2009/09/29/247012.htm (Arabic)
2600# </a>
2601
2602# From Arthur David Olson (2009-10-28):
2603# We'll see if future DST switching times turn out to be end of the last
2604# Thursday of the month or the start of the last Friday of the month or
2605# something else. For now, use the start of the last Friday.
2606
2607# From Steffen Thorsen (2010-03-17):
2608# The "Syrian News Station" reported on 2010-03-16 that the Council of
2609# Ministers has decided that Syria will start DST on midnight Thursday
2610# 2010-04-01: (midnight between Thursday and Friday):
2611# <a href="http://sns.sy/sns/?path=news/read/11421">
2612# http://sns.sy/sns/?path=news/read/11421 (Arabic)
2613# </a>
2614
2615# From Steffen Thorsen (2012-03-26):
2616# Today, Syria's government announced that they will start DST early on Friday
2617# (00:00). This is a bit earlier than the past two years.
2618#
2619# From Syrian Arab News Agency, in Arabic:
2620# <a href="http://www.sana.sy/ara/2/2012/03/26/408215.htm">
2621# http://www.sana.sy/ara/2/2012/03/26/408215.htm
2622# </a>
2623#
2624# Our brief summary:
2625# <a href="http://www.timeanddate.com/news/time/syria-dst-2012.html">
2626# http://www.timeanddate.com/news/time/syria-dst-2012.html
2627# </a>
2628
2629# From Arthur David Olson (2012-03-27):
2630# Assume last Friday in March going forward XXX.
2631
2632Rule Syria 2008 only - Apr Fri>=1 0:00 1:00 S
2633Rule Syria 2008 only - Nov 1 0:00 0 -
2634Rule Syria 2009 only - Mar lastFri 0:00 1:00 S
2635Rule Syria 2010 2011 - Apr Fri>=1 0:00 1:00 S
2636Rule Syria 2012 max - Mar lastFri 0:00 1:00 S
2637Rule Syria 2009 max - Oct lastFri 0:00 0 -
2638
2639# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2640Zone Asia/Damascus 2:25:12 - LMT 1920 # Dimashq
2641 2:00 Syria EE%sT
2642
2643# Tajikistan
2644# From Shanks & Pottenger.
2645# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2646Zone Asia/Dushanbe 4:35:12 - LMT 1924 May 2
2647 5:00 - DUST 1930 Jun 21 # Dushanbe Time
2648 6:00 RussiaAsia DUS%sT 1991 Mar 31 2:00s
2649 5:00 1:00 DUSST 1991 Sep 9 2:00s
2650 5:00 - TJT # Tajikistan Time
2651
2652# Thailand
2653# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2654Zone Asia/Bangkok 6:42:04 - LMT 1880
2655 6:42:04 - BMT 1920 Apr # Bangkok Mean Time
2656 7:00 - ICT
2657
2658# Turkmenistan
2659# From Shanks & Pottenger.
2660# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2661Zone Asia/Ashgabat 3:53:32 - LMT 1924 May 2 # or Ashkhabad
2662 4:00 - ASHT 1930 Jun 21 # Ashkhabad Time
2663 5:00 RussiaAsia ASH%sT 1991 Mar 31 2:00
2664 4:00 RussiaAsia ASH%sT 1991 Oct 27 # independence
2665 4:00 RussiaAsia TM%sT 1992 Jan 19 2:00
2666 5:00 - TMT
2667
2668# United Arab Emirates
2669# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2670Zone Asia/Dubai 3:41:12 - LMT 1920
2671 4:00 - GST
2672
2673# Uzbekistan
2674# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2675Zone Asia/Samarkand 4:27:12 - LMT 1924 May 2
2676 4:00 - SAMT 1930 Jun 21 # Samarkand Time
2677 5:00 - SAMT 1981 Apr 1
2678 5:00 1:00 SAMST 1981 Oct 1
2679 6:00 - TAST 1982 Apr 1 # Tashkent Time
2680 5:00 RussiaAsia SAM%sT 1991 Sep 1 # independence
2681 5:00 RussiaAsia UZ%sT 1992
2682 5:00 - UZT
2683Zone Asia/Tashkent 4:37:12 - LMT 1924 May 2
2684 5:00 - TAST 1930 Jun 21 # Tashkent Time
2685 6:00 RussiaAsia TAS%sT 1991 Mar 31 2:00
2686 5:00 RussiaAsia TAS%sT 1991 Sep 1 # independence
2687 5:00 RussiaAsia UZ%sT 1992
2688 5:00 - UZT
2689
2690# Vietnam
2691
2692# From Arthur David Olson (2008-03-18):
2693# The English-language name of Vietnam's most populous city is "Ho Chi Min City";
2694# we use Ho_Chi_Minh below to avoid a name of more than 14 characters.
2695
2696# From Shanks & Pottenger:
2697# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2698Zone Asia/Ho_Chi_Minh 7:06:40 - LMT 1906 Jun 9
2699 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT?
2700 7:00 - ICT 1912 May
2701 8:00 - ICT 1931 May
2702 7:00 - ICT
2703
2704# Yemen
2705# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2706Zone Asia/Aden 3:00:48 - LMT 1950
2707 3:00 - AST