Sync zoneinfo database with tzdata2012e from ftp://ftp.iana.org/tz/releases
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CommitLineData
34850bd5 1# <pre>
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2# This file is in the public domain, so clarified as of
3# 2009-05-17 by Arthur David Olson.
34850bd5 4
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5# This file also includes Pacific islands.
6
7# Notes are at the end of this file
8
9###############################################################################
10
11# Australia
12
13# Please see the notes below for the controversy about "EST" versus "AEST" etc.
14
15# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
16Rule Aus 1917 only - Jan 1 0:01 1:00 -
17Rule Aus 1917 only - Mar 25 2:00 0 -
18Rule Aus 1942 only - Jan 1 2:00 1:00 -
19Rule Aus 1942 only - Mar 29 2:00 0 -
20Rule Aus 1942 only - Sep 27 2:00 1:00 -
21Rule Aus 1943 1944 - Mar lastSun 2:00 0 -
22Rule Aus 1943 only - Oct 3 2:00 1:00 -
23# Go with Whitman and the Australian National Standards Commission, which
24# says W Australia didn't use DST in 1943/1944. Ignore Whitman's claim that
25# 1944/1945 was just like 1943/1944.
26
27# Zone NAME GMTOFF RULES FORMAT [UNTIL]
28# Northern Territory
29Zone Australia/Darwin 8:43:20 - LMT 1895 Feb
30 9:00 - CST 1899 May
31 9:30 Aus CST
32# Western Australia
37cabc10 33#
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34# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
35Rule AW 1974 only - Oct lastSun 2:00s 1:00 -
36Rule AW 1975 only - Mar Sun>=1 2:00s 0 -
37Rule AW 1983 only - Oct lastSun 2:00s 1:00 -
38Rule AW 1984 only - Mar Sun>=1 2:00s 0 -
39Rule AW 1991 only - Nov 17 2:00s 1:00 -
40Rule AW 1992 only - Mar Sun>=1 2:00s 0 -
41Rule AW 2006 only - Dec 3 2:00s 1:00 -
42Rule AW 2007 2009 - Mar lastSun 2:00s 0 -
43Rule AW 2007 2008 - Oct lastSun 2:00s 1:00 -
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44Zone Australia/Perth 7:43:24 - LMT 1895 Dec
45 8:00 Aus WST 1943 Jul
37cabc10 46 8:00 AW WST
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47Zone Australia/Eucla 8:35:28 - LMT 1895 Dec
48 8:45 Aus CWST 1943 Jul
49 8:45 AW CWST
50
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51# Queensland
52#
9ffe4b14 53# From Alex Livingston (1996-11-01):
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54# I have heard or read more than once that some resort islands off the coast
55# of Queensland chose to keep observing daylight-saving time even after
56# Queensland ceased to.
57#
58# From Paul Eggert (1996-11-22):
59# IATA SSIM (1993-02/1994-09) say that the Holiday Islands (Hayman, Lindeman,
60# Hamilton) observed DST for two years after the rest of Queensland stopped.
61# Hamilton is the largest, but there is also a Hamilton in Victoria,
62# so use Lindeman.
63#
64# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
65Rule AQ 1971 only - Oct lastSun 2:00s 1:00 -
66Rule AQ 1972 only - Feb lastSun 2:00s 0 -
67Rule AQ 1989 1991 - Oct lastSun 2:00s 1:00 -
68Rule AQ 1990 1992 - Mar Sun>=1 2:00s 0 -
69Rule Holiday 1992 1993 - Oct lastSun 2:00s 1:00 -
70Rule Holiday 1993 1994 - Mar Sun>=1 2:00s 0 -
71Zone Australia/Brisbane 10:12:08 - LMT 1895
72 10:00 Aus EST 1971
73 10:00 AQ EST
74Zone Australia/Lindeman 9:55:56 - LMT 1895
75 10:00 Aus EST 1971
76 10:00 AQ EST 1992 Jul
77 10:00 Holiday EST
78
79# South Australia
80# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
81Rule AS 1971 1985 - Oct lastSun 2:00s 1:00 -
82Rule AS 1986 only - Oct 19 2:00s 1:00 -
0e49ec84 83Rule AS 1987 2007 - Oct lastSun 2:00s 1:00 -
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84Rule AS 1972 only - Feb 27 2:00s 0 -
85Rule AS 1973 1985 - Mar Sun>=1 2:00s 0 -
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86Rule AS 1986 1990 - Mar Sun>=15 2:00s 0 -
87Rule AS 1991 only - Mar 3 2:00s 0 -
88Rule AS 1992 only - Mar 22 2:00s 0 -
89Rule AS 1993 only - Mar 7 2:00s 0 -
90Rule AS 1994 only - Mar 20 2:00s 0 -
9ffe4b14 91Rule AS 1995 2005 - Mar lastSun 2:00s 0 -
ba8eb822 92Rule AS 2006 only - Apr 2 2:00s 0 -
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93Rule AS 2007 only - Mar lastSun 2:00s 0 -
94Rule AS 2008 max - Apr Sun>=1 2:00s 0 -
95Rule AS 2008 max - Oct Sun>=1 2:00s 1:00 -
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96# Zone NAME GMTOFF RULES FORMAT [UNTIL]
97Zone Australia/Adelaide 9:14:20 - LMT 1895 Feb
98 9:00 - CST 1899 May
99 9:30 Aus CST 1971
100 9:30 AS CST
101
102# Tasmania
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103#
104# From Paul Eggert (2005-08-16):
105# <http://www.bom.gov.au/climate/averages/tables/dst_times.shtml>
106# says King Island didn't observe DST from WWII until late 1971.
107#
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108# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
109Rule AT 1967 only - Oct Sun>=1 2:00s 1:00 -
110Rule AT 1968 only - Mar lastSun 2:00s 0 -
111Rule AT 1968 1985 - Oct lastSun 2:00s 1:00 -
112Rule AT 1969 1971 - Mar Sun>=8 2:00s 0 -
113Rule AT 1972 only - Feb lastSun 2:00s 0 -
114Rule AT 1973 1981 - Mar Sun>=1 2:00s 0 -
115Rule AT 1982 1983 - Mar lastSun 2:00s 0 -
116Rule AT 1984 1986 - Mar Sun>=1 2:00s 0 -
117Rule AT 1986 only - Oct Sun>=15 2:00s 1:00 -
118Rule AT 1987 1990 - Mar Sun>=15 2:00s 0 -
119Rule AT 1987 only - Oct Sun>=22 2:00s 1:00 -
120Rule AT 1988 1990 - Oct lastSun 2:00s 1:00 -
121Rule AT 1991 1999 - Oct Sun>=1 2:00s 1:00 -
9ffe4b14 122Rule AT 1991 2005 - Mar lastSun 2:00s 0 -
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123Rule AT 2000 only - Aug lastSun 2:00s 1:00 -
124Rule AT 2001 max - Oct Sun>=1 2:00s 1:00 -
9ffe4b14 125Rule AT 2006 only - Apr Sun>=1 2:00s 0 -
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126Rule AT 2007 only - Mar lastSun 2:00s 0 -
127Rule AT 2008 max - Apr Sun>=1 2:00s 0 -
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128# Zone NAME GMTOFF RULES FORMAT [UNTIL]
129Zone Australia/Hobart 9:49:16 - LMT 1895 Sep
130 10:00 - EST 1916 Oct 1 2:00
131 10:00 1:00 EST 1917 Feb
132 10:00 Aus EST 1967
133 10:00 AT EST
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134Zone Australia/Currie 9:35:28 - LMT 1895 Sep
135 10:00 - EST 1916 Oct 1 2:00
136 10:00 1:00 EST 1917 Feb
137 10:00 Aus EST 1971 Jul
138 10:00 AT EST
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139
140# Victoria
141# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
142Rule AV 1971 1985 - Oct lastSun 2:00s 1:00 -
143Rule AV 1972 only - Feb lastSun 2:00s 0 -
144Rule AV 1973 1985 - Mar Sun>=1 2:00s 0 -
145Rule AV 1986 1990 - Mar Sun>=15 2:00s 0 -
146Rule AV 1986 1987 - Oct Sun>=15 2:00s 1:00 -
147Rule AV 1988 1999 - Oct lastSun 2:00s 1:00 -
148Rule AV 1991 1994 - Mar Sun>=1 2:00s 0 -
9ffe4b14 149Rule AV 1995 2005 - Mar lastSun 2:00s 0 -
984263bc 150Rule AV 2000 only - Aug lastSun 2:00s 1:00 -
0e49ec84 151Rule AV 2001 2007 - Oct lastSun 2:00s 1:00 -
9ffe4b14 152Rule AV 2006 only - Apr Sun>=1 2:00s 0 -
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153Rule AV 2007 only - Mar lastSun 2:00s 0 -
154Rule AV 2008 max - Apr Sun>=1 2:00s 0 -
155Rule AV 2008 max - Oct Sun>=1 2:00s 1:00 -
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156# Zone NAME GMTOFF RULES FORMAT [UNTIL]
157Zone Australia/Melbourne 9:39:52 - LMT 1895 Feb
158 10:00 Aus EST 1971
159 10:00 AV EST
160
161# New South Wales
162# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
163Rule AN 1971 1985 - Oct lastSun 2:00s 1:00 -
164Rule AN 1972 only - Feb 27 2:00s 0 -
165Rule AN 1973 1981 - Mar Sun>=1 2:00s 0 -
166Rule AN 1982 only - Apr Sun>=1 2:00s 0 -
167Rule AN 1983 1985 - Mar Sun>=1 2:00s 0 -
168Rule AN 1986 1989 - Mar Sun>=15 2:00s 0 -
169Rule AN 1986 only - Oct 19 2:00s 1:00 -
170Rule AN 1987 1999 - Oct lastSun 2:00s 1:00 -
171Rule AN 1990 1995 - Mar Sun>=1 2:00s 0 -
9ffe4b14 172Rule AN 1996 2005 - Mar lastSun 2:00s 0 -
984263bc 173Rule AN 2000 only - Aug lastSun 2:00s 1:00 -
0e49ec84 174Rule AN 2001 2007 - Oct lastSun 2:00s 1:00 -
9ffe4b14 175Rule AN 2006 only - Apr Sun>=1 2:00s 0 -
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176Rule AN 2007 only - Mar lastSun 2:00s 0 -
177Rule AN 2008 max - Apr Sun>=1 2:00s 0 -
178Rule AN 2008 max - Oct Sun>=1 2:00s 1:00 -
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179# Zone NAME GMTOFF RULES FORMAT [UNTIL]
180Zone Australia/Sydney 10:04:52 - LMT 1895 Feb
181 10:00 Aus EST 1971
182 10:00 AN EST
183Zone Australia/Broken_Hill 9:25:48 - LMT 1895 Feb
184 10:00 - EST 1896 Aug 23
185 9:00 - CST 1899 May
186 9:30 Aus CST 1971
187 9:30 AN CST 2000
188 9:30 AS CST
189
190# Lord Howe Island
191# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
192Rule LH 1981 1984 - Oct lastSun 2:00 1:00 -
193Rule LH 1982 1985 - Mar Sun>=1 2:00 0 -
194Rule LH 1985 only - Oct lastSun 2:00 0:30 -
195Rule LH 1986 1989 - Mar Sun>=15 2:00 0 -
196Rule LH 1986 only - Oct 19 2:00 0:30 -
197Rule LH 1987 1999 - Oct lastSun 2:00 0:30 -
198Rule LH 1990 1995 - Mar Sun>=1 2:00 0 -
9ffe4b14 199Rule LH 1996 2005 - Mar lastSun 2:00 0 -
984263bc 200Rule LH 2000 only - Aug lastSun 2:00 0:30 -
0e49ec84 201Rule LH 2001 2007 - Oct lastSun 2:00 0:30 -
9ffe4b14 202Rule LH 2006 only - Apr Sun>=1 2:00 0 -
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203Rule LH 2007 only - Mar lastSun 2:00 0 -
204Rule LH 2008 max - Apr Sun>=1 2:00 0 -
205Rule LH 2008 max - Oct Sun>=1 2:00 0:30 -
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206Zone Australia/Lord_Howe 10:36:20 - LMT 1895 Feb
207 10:00 - EST 1981 Mar
208 10:30 LH LHST
209
210# Australian miscellany
211#
212# Ashmore Is, Cartier
213# no indigenous inhabitants; only seasonal caretakers
880368e2 214# no times are set
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215#
216# Coral Sea Is
217# no indigenous inhabitants; only meteorologists
880368e2 218# no times are set
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219#
220# Macquarie
221# permanent occupation (scientific station) since 1948;
222# sealing and penguin oil station operated 1888/1917
880368e2 223# like Australia/Hobart
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224
225# Christmas
226# Zone NAME GMTOFF RULES FORMAT [UNTIL]
227Zone Indian/Christmas 7:02:52 - LMT 1895 Feb
228 7:00 - CXT # Christmas Island Time
229
230# Cook Is
bd7414aa 231# From Shanks & Pottenger:
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232# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
233Rule Cook 1978 only - Nov 12 0:00 0:30 HS
234Rule Cook 1979 1991 - Mar Sun>=1 0:00 0 -
235Rule Cook 1979 1990 - Oct lastSun 0:00 0:30 HS
236# Zone NAME GMTOFF RULES FORMAT [UNTIL]
237Zone Pacific/Rarotonga -10:39:04 - LMT 1901 # Avarua
238 -10:30 - CKT 1978 Nov 12 # Cook Is Time
239 -10:00 Cook CK%sT
240
241# Cocos
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242# These islands were ruled by the Ross family from about 1830 to 1978.
243# We don't know when standard time was introduced; for now, we guess 1900.
984263bc 244# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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245Zone Indian/Cocos 6:27:40 - LMT 1900
246 6:30 - CCT # Cocos Islands Time
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247
248# Fiji
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249# From Alexander Krivenyshev (2009-11-10):
250# According to Fiji Broadcasting Corporation, Fiji plans to re-introduce DST
251# from November 29th 2009 to April 25th 2010.
252#
253# "Daylight savings to commence this month"
254# <a href="http://www.radiofiji.com.fj/fullstory.php?id=23719">
255# http://www.radiofiji.com.fj/fullstory.php?id=23719
256# </a>
257# or
258# <a href="http://www.worldtimezone.com/dst_news/dst_news_fiji01.html">
259# http://www.worldtimezone.com/dst_news/dst_news_fiji01.html
260# </a>
261
262# From Steffen Thorsen (2009-11-10):
263# The Fiji Government has posted some more details about the approved
264# amendments:
265# <a href="http://www.fiji.gov.fj/publish/page_16198.shtml">
266# http://www.fiji.gov.fj/publish/page_16198.shtml
267# </a>
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268
269# From Steffen Thorsen (2010-03-03):
270# The Cabinet in Fiji has decided to end DST about a month early, on
271# 2010-03-28 at 03:00.
272# The plan is to observe DST again, from 2010-10-24 to sometime in March
273# 2011 (last Sunday a good guess?).
274#
275# Official source:
276# <a href="http://www.fiji.gov.fj/index.php?option=com_content&view=article&id=1096:3310-cabinet-approves-change-in-daylight-savings-dates&catid=49:cabinet-releases&Itemid=166">
277# http://www.fiji.gov.fj/index.php?option=com_content&view=article&id=1096:3310-cabinet-approves-change-in-daylight-savings-dates&catid=49:cabinet-releases&Itemid=166
278# </a>
279#
280# A bit more background info here:
281# <a href="http://www.timeanddate.com/news/time/fiji-dst-ends-march-2010.html">
282# http://www.timeanddate.com/news/time/fiji-dst-ends-march-2010.html
283# </a>
284
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285# From Alexander Krivenyshev (2010-10-24):
286# According to Radio Fiji and Fiji Times online, Fiji will end DST 3
287# weeks earlier than expected - on March 6, 2011, not March 27, 2011...
288# Here is confirmation from Government of the Republic of the Fiji Islands,
289# Ministry of Information (fiji.gov.fj) web site:
290# <a href="http://www.fiji.gov.fj/index.php?option=com_content&view=article&id=2608:daylight-savings&catid=71:press-releases&Itemid=155">
291# http://www.fiji.gov.fj/index.php?option=com_content&view=article&id=2608:daylight-savings&catid=71:press-releases&Itemid=155
292# </a>
293# or
294# <a href="http://www.worldtimezone.com/dst_news/dst_news_fiji04.html">
295# http://www.worldtimezone.com/dst_news/dst_news_fiji04.html
296# </a>
297
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298# From Steffen Thorsen (2011-10-03):
299# Now the dates have been confirmed, and at least our start date
300# assumption was correct (end date was one week wrong).
301#
302# <a href="http://www.fiji.gov.fj/index.php?option=com_content&view=article&id=4966:daylight-saving-starts-in-fiji&catid=71:press-releases&Itemid=155">
303# www.fiji.gov.fj/index.php?option=com_content&view=article&id=4966:daylight-saving-starts-in-fiji&catid=71:press-releases&Itemid=155
304# </a>
305# which says
306# Members of the public are reminded to change their time to one hour in
307# advance at 2am to 3am on October 23, 2011 and one hour back at 3am to
308# 2am on February 26 next year.
309
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310# From Ken Rylander (2011-10-24)
311# Another change to the Fiji DST end date. In the TZ database the end date for
312# Fiji DST 2012, is currently Feb 26. This has been changed to Jan 22.
313#
314# <a href="http://www.fiji.gov.fj/index.php?option=com_content&view=article&id=5017:amendments-to-daylight-savings&catid=71:press-releases&Itemid=155">
315# http://www.fiji.gov.fj/index.php?option=com_content&view=article&id=5017:amendments-to-daylight-savings&catid=71:press-releases&Itemid=155
316# </a>
317# states:
318#
319# The end of daylight saving scheduled initially for the 26th of February 2012
320# has been brought forward to the 22nd of January 2012.
321# The commencement of daylight saving will remain unchanged and start
322# on the 23rd of October, 2011.
323
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324# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
325Rule Fiji 1998 1999 - Nov Sun>=1 2:00 1:00 S
326Rule Fiji 1999 2000 - Feb lastSun 3:00 0 -
482f37b8 327Rule Fiji 2009 only - Nov 29 2:00 1:00 S
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328Rule Fiji 2010 only - Mar lastSun 3:00 0 -
329Rule Fiji 2010 only - Oct 24 2:00 1:00 S
f15b9e37 330Rule Fiji 2011 only - Mar Sun>=1 3:00 0 -
7f2a8808 331Rule Fiji 2011 only - Oct 23 2:00 1:00 S
78706f21 332Rule Fiji 2012 only - Jan 22 3:00 0 -
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333# Zone NAME GMTOFF RULES FORMAT [UNTIL]
334Zone Pacific/Fiji 11:53:40 - LMT 1915 Oct 26 # Suva
335 12:00 Fiji FJ%sT # Fiji Time
336
337# French Polynesia
338# Zone NAME GMTOFF RULES FORMAT [UNTIL]
339Zone Pacific/Gambier -8:59:48 - LMT 1912 Oct # Rikitea
340 -9:00 - GAMT # Gambier Time
341Zone Pacific/Marquesas -9:18:00 - LMT 1912 Oct
342 -9:30 - MART # Marquesas Time
343Zone Pacific/Tahiti -9:58:16 - LMT 1912 Oct # Papeete
344 -10:00 - TAHT # Tahiti Time
345# Clipperton (near North America) is administered from French Polynesia;
346# it is uninhabited.
347
348# Guam
349# Zone NAME GMTOFF RULES FORMAT [UNTIL]
350Zone Pacific/Guam -14:21:00 - LMT 1844 Dec 31
351 9:39:00 - LMT 1901 # Agana
352 10:00 - GST 2000 Dec 23 # Guam
353 10:00 - ChST # Chamorro Standard Time
354
355# Kiribati
356# Zone NAME GMTOFF RULES FORMAT [UNTIL]
357Zone Pacific/Tarawa 11:32:04 - LMT 1901 # Bairiki
358 12:00 - GILT # Gilbert Is Time
359Zone Pacific/Enderbury -11:24:20 - LMT 1901
360 -12:00 - PHOT 1979 Oct # Phoenix Is Time
361 -11:00 - PHOT 1995
362 13:00 - PHOT
363Zone Pacific/Kiritimati -10:29:20 - LMT 1901
364 -10:40 - LINT 1979 Oct # Line Is Time
365 -10:00 - LINT 1995
366 14:00 - LINT
367
368# N Mariana Is
369# Zone NAME GMTOFF RULES FORMAT [UNTIL]
370Zone Pacific/Saipan -14:17:00 - LMT 1844 Dec 31
371 9:43:00 - LMT 1901
372 9:00 - MPT 1969 Oct # N Mariana Is Time
373 10:00 - MPT 2000 Dec 23
374 10:00 - ChST # Chamorro Standard Time
375
376# Marshall Is
377# Zone NAME GMTOFF RULES FORMAT [UNTIL]
378Zone Pacific/Majuro 11:24:48 - LMT 1901
379 11:00 - MHT 1969 Oct # Marshall Islands Time
380 12:00 - MHT
381Zone Pacific/Kwajalein 11:09:20 - LMT 1901
382 11:00 - MHT 1969 Oct
383 -12:00 - KWAT 1993 Aug 20 # Kwajalein Time
384 12:00 - MHT
385
386# Micronesia
387# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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388Zone Pacific/Chuuk 10:07:08 - LMT 1901
389 10:00 - CHUT # Chuuk Time
390Zone Pacific/Pohnpei 10:32:52 - LMT 1901 # Kolonia
391 11:00 - PONT # Pohnpei Time
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392Zone Pacific/Kosrae 10:51:56 - LMT 1901
393 11:00 - KOST 1969 Oct # Kosrae Time
394 12:00 - KOST 1999
395 11:00 - KOST
396
397# Nauru
398# Zone NAME GMTOFF RULES FORMAT [UNTIL]
399Zone Pacific/Nauru 11:07:40 - LMT 1921 Jan 15 # Uaobe
400 11:30 - NRT 1942 Mar 15 # Nauru Time
401 9:00 - JST 1944 Aug 15
402 11:30 - NRT 1979 May
403 12:00 - NRT
404
405# New Caledonia
406# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
407Rule NC 1977 1978 - Dec Sun>=1 0:00 1:00 S
408Rule NC 1978 1979 - Feb 27 0:00 0 -
409Rule NC 1996 only - Dec 1 2:00s 1:00 S
bd7414aa 410# Shanks & Pottenger say the following was at 2:00; go with IATA.
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411Rule NC 1997 only - Mar 2 2:00s 0 -
412# Zone NAME GMTOFF RULES FORMAT [UNTIL]
413Zone Pacific/Noumea 11:05:48 - LMT 1912 Jan 13
414 11:00 NC NC%sT
415
416
417###############################################################################
418
419# New Zealand
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420
421# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
ba5ba9da
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422Rule NZ 1927 only - Nov 6 2:00 1:00 S
423Rule NZ 1928 only - Mar 4 2:00 0 M
424Rule NZ 1928 1933 - Oct Sun>=8 2:00 0:30 S
425Rule NZ 1929 1933 - Mar Sun>=15 2:00 0 M
426Rule NZ 1934 1940 - Apr lastSun 2:00 0 M
427Rule NZ 1934 1940 - Sep lastSun 2:00 0:30 S
428Rule NZ 1946 only - Jan 1 0:00 0 S
429# Since 1957 Chatham has been 45 minutes ahead of NZ, but there's no
430# convenient notation for this so we must duplicate the Rule lines.
984263bc 431Rule NZ 1974 only - Nov Sun>=1 2:00s 1:00 D
ba5ba9da 432Rule Chatham 1974 only - Nov Sun>=1 2:45s 1:00 D
984263bc 433Rule NZ 1975 only - Feb lastSun 2:00s 0 S
ba5ba9da 434Rule Chatham 1975 only - Feb lastSun 2:45s 0 S
984263bc 435Rule NZ 1975 1988 - Oct lastSun 2:00s 1:00 D
ba5ba9da 436Rule Chatham 1975 1988 - Oct lastSun 2:45s 1:00 D
984263bc 437Rule NZ 1976 1989 - Mar Sun>=1 2:00s 0 S
ba5ba9da 438Rule Chatham 1976 1989 - Mar Sun>=1 2:45s 0 S
984263bc 439Rule NZ 1989 only - Oct Sun>=8 2:00s 1:00 D
ba5ba9da 440Rule Chatham 1989 only - Oct Sun>=8 2:45s 1:00 D
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441Rule NZ 1990 2006 - Oct Sun>=1 2:00s 1:00 D
442Rule Chatham 1990 2006 - Oct Sun>=1 2:45s 1:00 D
443Rule NZ 1990 2007 - Mar Sun>=15 2:00s 0 S
444Rule Chatham 1990 2007 - Mar Sun>=15 2:45s 0 S
445Rule NZ 2007 max - Sep lastSun 2:00s 1:00 D
446Rule Chatham 2007 max - Sep lastSun 2:45s 1:00 D
447Rule NZ 2008 max - Apr Sun>=1 2:00s 0 S
448Rule Chatham 2008 max - Apr Sun>=1 2:45s 0 S
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449# Zone NAME GMTOFF RULES FORMAT [UNTIL]
450Zone Pacific/Auckland 11:39:04 - LMT 1868 Nov 2
ba5ba9da 451 11:30 NZ NZ%sT 1946 Jan 1
984263bc 452 12:00 NZ NZ%sT
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453Zone Pacific/Chatham 12:13:48 - LMT 1957 Jan 1
454 12:45 Chatham CHA%sT
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455
456
457# Auckland Is
458# uninhabited; Maori and Moriori, colonial settlers, pastoralists, sealers,
459# and scientific personnel have wintered
460
461# Campbell I
462# minor whaling stations operated 1909/1914
463# scientific station operated 1941/1995;
464# previously whalers, sealers, pastoralists, and scientific personnel wintered
465# was probably like Pacific/Auckland
466
467###############################################################################
468
469
470# Niue
471# Zone NAME GMTOFF RULES FORMAT [UNTIL]
472Zone Pacific/Niue -11:19:40 - LMT 1901 # Alofi
473 -11:20 - NUT 1951 # Niue Time
474 -11:30 - NUT 1978 Oct 1
475 -11:00 - NUT
476
477# Norfolk
478# Zone NAME GMTOFF RULES FORMAT [UNTIL]
479Zone Pacific/Norfolk 11:11:52 - LMT 1901 # Kingston
480 11:12 - NMT 1951 # Norfolk Mean Time
481 11:30 - NFT # Norfolk Time
482
483# Palau (Belau)
484# Zone NAME GMTOFF RULES FORMAT [UNTIL]
485Zone Pacific/Palau 8:57:56 - LMT 1901 # Koror
486 9:00 - PWT # Palau Time
487
488# Papua New Guinea
489# Zone NAME GMTOFF RULES FORMAT [UNTIL]
490Zone Pacific/Port_Moresby 9:48:40 - LMT 1880
491 9:48:32 - PMMT 1895 # Port Moresby Mean Time
492 10:00 - PGT # Papua New Guinea Time
493
494# Pitcairn
495# Zone NAME GMTOFF RULES FORMAT [UNTIL]
496Zone Pacific/Pitcairn -8:40:20 - LMT 1901 # Adamstown
497 -8:30 - PNT 1998 Apr 27 00:00
498 -8:00 - PST # Pitcairn Standard Time
499
500# American Samoa
501Zone Pacific/Pago_Pago 12:37:12 - LMT 1879 Jul 5
502 -11:22:48 - LMT 1911
503 -11:30 - SAMT 1950 # Samoa Time
504 -11:00 - NST 1967 Apr # N=Nome
505 -11:00 - BST 1983 Nov 30 # B=Bering
506 -11:00 - SST # S=Samoa
507
bc95ec93 508# Samoa
d2e76e66 509
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510# From Steffen Thorsen (2009-10-16):
511# We have been in contact with the government of Samoa again, and received
512# the following info:
d2e76e66 513#
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514# "Cabinet has now approved Daylight Saving to be effected next year
515# commencing from the last Sunday of September 2010 and conclude first
516# Sunday of April 2011."
ae8fda8f 517#
5a0c5ddc 518# Background info:
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519# <a href="http://www.timeanddate.com/news/time/samoa-dst-plan-2009.html">
520# http://www.timeanddate.com/news/time/samoa-dst-plan-2009.html
521# </a>
83c88d65 522#
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523# Samoa's Daylight Saving Time Act 2009 is available here, but does not
524# contain any dates:
525# <a href="http://www.parliament.gov.ws/documents/acts/Daylight%20Saving%20Act%20%202009%20%28English%29%20-%20Final%207-7-091.pdf">
526# http://www.parliament.gov.ws/documents/acts/Daylight%20Saving%20Act%20%202009%20%28English%29%20-%20Final%207-7-091.pdf
527# </a>
83c88d65 528
939d3005 529# From Laupue Raymond Hughes (2010-10-07):
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530# Please see
531# <a href="http://www.mcil.gov.ws">
532# http://www.mcil.gov.ws
533# </a>,
534# the Ministry of Commerce, Industry and Labour (sideframe) "Last Sunday
535# September 2010 (26/09/10) - adjust clocks forward from 12:00 midnight
536# to 01:00am and First Sunday April 2011 (03/04/11) - adjust clocks
537# backwards from 1:00am to 12:00am"
538
939d3005 539# From Laupue Raymond Hughes (2011-03-07):
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540# I believe this will be posted shortly on the website
541# <a href="http://www.mcil.gov.ws">
542# www.mcil.gov.ws
543# </a>
544#
545# PUBLIC NOTICE ON DAYLIGHT SAVING TIME
546#
547# Pursuant to the Daylight Saving Act 2009 and Cabinets decision,
548# businesses and the general public are hereby advised that daylight
549# saving time is on the first Saturday of April 2011 (02/04/11).
550#
551# The public is therefore advised that when the standard time strikes
552# the hour of four oclock (4.00am or 0400 Hours) on the 2nd April 2011,
553# then all instruments used to measure standard time are to be
554# adjusted/changed to three oclock (3:00am or 0300Hrs).
555#
556# Margaret Fruean ACTING CHIEF EXECUTIVE OFFICER MINISTRY OF COMMERCE,
557# INDUSTRY AND LABOUR 28th February 2011
558
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559# From David Zuelke (2011-05-09):
560# Subject: Samoa to move timezone from east to west of international date line
561#
562# <a href="http://www.morningstar.co.uk/uk/markets/newsfeeditem.aspx?id=138501958347963">
563# http://www.morningstar.co.uk/uk/markets/newsfeeditem.aspx?id=138501958347963
564# </a>
565
566# From Mark Sim-Smith (2011-08-17):
567# I have been in contact with Leilani Tuala Warren from the Samoa Law
568# Reform Commission, and she has sent me a copy of the Bill that she
569# confirmed has been passed...Most of the sections are about maps rather
570# than the time zone change, but I'll paste the relevant bits below. But
571# the essence is that at midnight 29 Dec (UTC-11 I suppose), Samoa
572# changes from UTC-11 to UTC+13:
573#
574# International Date Line Bill 2011
575#
576# AN ACT to provide for the change to standard time in Samoa and to make
577# consequential amendments to the position of the International Date
578# Line, and for related purposes.
579#
580# BE IT ENACTED by the Legislative Assembly of Samoa in Parliament
581# assembled as follows:
582#
583# 1. Short title and commencement-(1) This Act may be cited as the
584# International Date Line Act 2011. (2) Except for section 5(3) this Act
585# commences at 12 o'clock midnight, on Thursday 29th December 2011. (3)
586# Section 5(3) commences on the date of assent by the Head of State.
587#
588# [snip]
589#
590# 3. Interpretation - [snip] "Samoa standard time" in this Act and any
591# other statute of Samoa which refers to 'Samoa standard time' means the
592# time 13 hours in advance of Co-ordinated Universal Time.
593#
594# 4. Samoa standard time - (1) Upon the commencement of this Act, Samoa
595# standard time shall be set at 13 hours in advance of Co-ordinated
596# Universal Time for the whole of Samoa. (2) All references to Samoa's
597# time zone and to Samoa standard time in Samoa in all legislation and
598# instruments after the commencement of this Act shall be references to
599# Samoa standard time as provided for in this Act. (3) Nothing in this
600# Act affects the provisions of the Daylight Saving Act 2009, except that
601# it defines Samoa standard time....
602
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603# From Laupue Raymond Hughes (2011-09-02):
604# <a href="http://www.mcil.gov.ws/mcil_publications.html">
605# http://www.mcil.gov.ws/mcil_publications.html
606# </a>
607#
608# here is the official website publication for Samoa DST and dateline change
609#
610# DST
611# Year End Time Start Time
612# 2011 - - - - - - 24 September 3:00am to 4:00am
613# 2012 01 April 4:00am to 3:00am - - - - - -
614#
615# Dateline Change skip Friday 30th Dec 2011
616# Thursday 29th December 2011 23:59:59 Hours
617# Saturday 31st December 2011 00:00:00 Hours
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618#
619# Clarification by Tim Parenti (2012-01-03):
620# Although Samoa has used Daylight Saving Time in the 2010-2011 and 2011-2012
621# seasons, there is not yet any indication that this trend will continue on
622# a regular basis. For now, we have explicitly listed the transitions below.
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623Zone Pacific/Apia 12:33:04 - LMT 1879 Jul 5
624 -11:26:56 - LMT 1911
625 -11:30 - SAMT 1950 # Samoa Time
5756332b 626 -11:00 - WST 2010 Sep 26
980da900 627 -11:00 1:00 WSDT 2011 Apr 2 4:00
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628 -11:00 - WST 2011 Sep 24 3:00
629 -11:00 1:00 WSDT 2011 Dec 30
630 13:00 1:00 WSDT 2012 Apr 1 4:00
57e1cca5 631 13:00 - WST
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632
633# Solomon Is
634# excludes Bougainville, for which see Papua New Guinea
635# Zone NAME GMTOFF RULES FORMAT [UNTIL]
636Zone Pacific/Guadalcanal 10:39:48 - LMT 1912 Oct # Honiara
637 11:00 - SBT # Solomon Is Time
638
639# Tokelau Is
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640#
641# From Gwillim Law (2011-12-29)
642# A correspondent informed me that Tokelau, like Samoa, will be skipping
dfce7953 643# December 31 this year ...
bca44125 644#
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645# From Steffen Thorsen (2012-07-25)
646# ... we double checked by calling hotels and offices based in Tokelau asking
647# about the time there, and they all told a time that agrees with UTC+13....
648# Shanks says UTC-10 from 1901 [but] ... there is a good chance the change
649# actually was to UTC-11 back then.
bca44125 650#
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651# From Paul Eggert (2012-07-25)
652# A Google Books snippet of Appendix to the Journals of the House of
653# Representatives of New Zealand, Session 1948,
654# <http://books.google.com/books?id=ZaVCAQAAIAAJ>, page 65, says Tokelau
655# was "11 hours slow on G.M.T." Go with Thorsen and assume Shanks & Pottenger
656# are off by an hour starting in 1901.
bca44125 657
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658# Zone NAME GMTOFF RULES FORMAT [UNTIL]
659Zone Pacific/Fakaofo -11:24:56 - LMT 1901
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660 -11:00 - TKT 2011 Dec 30 # Tokelau Time
661 13:00 - TKT
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662
663# Tonga
664# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
665Rule Tonga 1999 only - Oct 7 2:00s 1:00 S
666Rule Tonga 2000 only - Mar 19 2:00s 0 -
667Rule Tonga 2000 2001 - Nov Sun>=1 2:00 1:00 S
668Rule Tonga 2001 2002 - Jan lastSun 2:00 0 -
669# Zone NAME GMTOFF RULES FORMAT [UNTIL]
670Zone Pacific/Tongatapu 12:19:20 - LMT 1901
671 12:20 - TOT 1941 # Tonga Time
672 13:00 - TOT 1999
673 13:00 Tonga TO%sT
674
675# Tuvalu
676# Zone NAME GMTOFF RULES FORMAT [UNTIL]
677Zone Pacific/Funafuti 11:56:52 - LMT 1901
678 12:00 - TVT # Tuvalu Time
679
680
681# US minor outlying islands
682
683# Howland, Baker
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684# Howland was mined for guano by American companies 1857-1878 and British
685# 1886-1891; Baker was similar but exact dates are not known.
686# Inhabited by civilians 1935-1942; U.S. military bases 1943-1944;
687# uninhabited thereafter.
688# Howland observed Hawaii Standard Time (UTC-10:30) in 1937;
689# see page 206 of Elgen M. Long and Marie K. Long,
690# Amelia Earhart: the Mystery Solved, Simon & Schuster (2000).
691# So most likely Howland and Baker observed Hawaii Time from 1935
692# until they were abandoned after the war.
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693
694# Jarvis
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695# Mined for guano by American companies 1857-1879 and British 1883?-1891?.
696# Inhabited by civilians 1935-1942; IGY scientific base 1957-1958;
697# uninhabited thereafter.
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698# no information; was probably like Pacific/Kiritimati
699
700# Johnston
701# Zone NAME GMTOFF RULES FORMAT [UNTIL]
702Zone Pacific/Johnston -10:00 - HST
703
704# Kingman
705# uninhabited
706
707# Midway
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708#
709# From Mark Brader (2005-01-23):
710# [Fallacies and Fantasies of Air Transport History, by R.E.G. Davies,
711# published 1994 by Paladwr Press, McLean, VA, USA; ISBN 0-9626483-5-3]
712# reproduced a Pan American Airways timeables from 1936, for their weekly
713# "Orient Express" flights between San Francisco and Manila, and connecting
714# flights to Chicago and the US East Coast. As it uses some time zone
715# designations that I've never seen before:....
716# Fri. 6:30A Lv. HONOLOLU (Pearl Harbor), H.I. H.L.T. Ar. 5:30P Sun.
717# " 3:00P Ar. MIDWAY ISLAND . . . . . . . . . M.L.T. Lv. 6:00A "
718#
984263bc 719Zone Pacific/Midway -11:49:28 - LMT 1901
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720 -11:00 - NST 1956 Jun 3
721 -11:00 1:00 NDT 1956 Sep 2
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722 -11:00 - NST 1967 Apr # N=Nome
723 -11:00 - BST 1983 Nov 30 # B=Bering
724 -11:00 - SST # S=Samoa
725
726# Palmyra
727# uninhabited since World War II; was probably like Pacific/Kiritimati
728
729# Wake
730# Zone NAME GMTOFF RULES FORMAT [UNTIL]
731Zone Pacific/Wake 11:06:28 - LMT 1901
732 12:00 - WAKT # Wake Time
733
734
735# Vanuatu
736# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
737Rule Vanuatu 1983 only - Sep 25 0:00 1:00 S
738Rule Vanuatu 1984 1991 - Mar Sun>=23 0:00 0 -
739Rule Vanuatu 1984 only - Oct 23 0:00 1:00 S
740Rule Vanuatu 1985 1991 - Sep Sun>=23 0:00 1:00 S
741Rule Vanuatu 1992 1993 - Jan Sun>=23 0:00 0 -
742Rule Vanuatu 1992 only - Oct Sun>=23 0:00 1:00 S
743# Zone NAME GMTOFF RULES FORMAT [UNTIL]
744Zone Pacific/Efate 11:13:16 - LMT 1912 Jan 13 # Vila
745 11:00 Vanuatu VU%sT # Vanuatu Time
746
747# Wallis and Futuna
748# Zone NAME GMTOFF RULES FORMAT [UNTIL]
749Zone Pacific/Wallis 12:15:20 - LMT 1901
750 12:00 - WFT # Wallis & Futuna Time
751
752###############################################################################
753
754# NOTES
755
756# This data is by no means authoritative; if you think you know better,
757# go ahead and edit the file (and please send any changes to
758# tz@elsie.nci.nih.gov for general use in the future).
759
bd7414aa 760# From Paul Eggert (2006-03-22):
984263bc 761# A good source for time zone historical data outside the U.S. is
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762# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
763# San Diego: ACS Publications, Inc. (2003).
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764#
765# Gwillim Law writes that a good source
766# for recent time zone data is the International Air Transport
767# Association's Standard Schedules Information Manual (IATA SSIM),
768# published semiannually. Law sent in several helpful summaries
769# of the IATA's data after 1990.
770#
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771# Except where otherwise noted, Shanks & Pottenger is the source for
772# entries through 1990, and IATA SSIM is the source for entries afterwards.
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773#
774# Another source occasionally used is Edward W. Whitman, World Time Differences,
775# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
776# I found in the UCLA library.
777#
778# A reliable and entertaining source about time zones is
779# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
780#
781# I invented the abbreviations marked `*' in the following table;
782# the rest are from earlier versions of this file, or from other sources.
783# Corrections are welcome!
784# std dst
785# LMT Local Mean Time
786# 8:00 WST WST Western Australia
880368e2 787# 8:45 CWST CWST Central Western Australia*
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788# 9:00 JST Japan
789# 9:30 CST CST Central Australia
790# 10:00 EST EST Eastern Australia
791# 10:00 ChST Chamorro
792# 10:30 LHST LHST Lord Howe*
ba5ba9da
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793# 11:30 NZMT NZST New Zealand through 1945
794# 12:00 NZST NZDT New Zealand 1946-present
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795# 12:45 CHAST CHADT Chatham*
796# -11:00 SST Samoa
797# -10:00 HST Hawaii
798# - 8:00 PST Pitcairn*
799#
800# See the `northamerica' file for Hawaii.
801# See the `southamerica' file for Easter I and the Galapagos Is.
802
803###############################################################################
804
805# Australia
806
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807# From Paul Eggert (2005-12-08):
808# <a href="http://www.bom.gov.au/climate/averages/tables/dst_times.shtml">
809# Implementation Dates of Daylight Saving Time within Australia
810# </a> summarizes daylight saving issues in Australia.
811
812# From Arthur David Olson (2005-12-12):
813# <a href="http://www.lawlink.nsw.gov.au/lawlink/Corporate/ll_agdinfo.nsf/pages/community_relations_daylight_saving">
814# Lawlink NSW:Daylight Saving in New South Wales
815# </a> covers New South Wales in particular.
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816
817# From John Mackin (1991-03-06):
818# We in Australia have _never_ referred to DST as `daylight' time.
819# It is called `summer' time. Now by a happy coincidence, `summer'
820# and `standard' happen to start with the same letter; hence, the
821# abbreviation does _not_ change...
822# The legislation does not actually define abbreviations, at least
823# in this State, but the abbreviation is just commonly taken to be the
824# initials of the phrase, and the legislation here uniformly uses
825# the phrase `summer time' and does not use the phrase `daylight
826# time'.
827# Announcers on the Commonwealth radio network, the ABC (for Australian
828# Broadcasting Commission), use the phrases `Eastern Standard Time'
829# or `Eastern Summer Time'. (Note, though, that as I say in the
830# current australasia file, there is really no such thing.) Announcers
831# on its overseas service, Radio Australia, use the same phrases
832# prefixed by the word `Australian' when referring to local times;
833# time announcements on that service, naturally enough, are made in UTC.
834
835# From Arthur David Olson (1992-03-08):
836# Given the above, what's chosen for year-round use is:
837# CST for any place operating at a GMTOFF of 9:30
838# WST for any place operating at a GMTOFF of 8:00
839# EST for any place operating at a GMTOFF of 10:00
840
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841# From Chuck Soper (2006-06-01):
842# I recently found this Australian government web page on time zones:
843# <http://www.australia.gov.au/about-australia-13time>
844# And this government web page lists time zone names and abbreviations:
845# <http://www.bom.gov.au/climate/averages/tables/daysavtm.shtml>
846
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847# From Paul Eggert (2001-04-05), summarizing a long discussion about "EST"
848# versus "AEST" etc.:
849#
850# I see the following points of dispute:
851#
852# * How important are unique time zone abbreviations?
853#
854# Here I tend to agree with the point (most recently made by Chris
855# Newman) that unique abbreviations should not be essential for proper
856# operation of software. We have other instances of ambiguity
857# (e.g. "IST" denoting both "Israel Standard Time" and "Indian
858# Standard Time"), and they are not likely to go away any time soon.
859# In the old days, some software mistakenly relied on unique
860# abbreviations, but this is becoming less true with time, and I don't
861# think it's that important to cater to such software these days.
862#
863# On the other hand, there is another motivation for unambiguous
864# abbreviations: it cuts down on human confusion. This is
865# particularly true for Australia, where "EST" can mean one thing for
866# time T and a different thing for time T plus 1 second.
867#
868# * Does the relevant legislation indicate which abbreviations should be used?
869#
870# Here I tend to think that things are a mess, just as they are in
871# many other countries. We Americans are currently disagreeing about
872# which abbreviation to use for the newly legislated Chamorro Standard
873# Time, for example.
874#
875# Personally, I would prefer to use common practice; I would like to
876# refer to legislation only for examples of common practice, or as a
877# tiebreaker.
878#
879# * Do Australians more often use "Eastern Daylight Time" or "Eastern
880# Summer Time"? Do they typically prefix the time zone names with
881# the word "Australian"?
882#
883# My own impression is that both "Daylight Time" and "Summer Time" are
884# common and are widely understood, but that "Summer Time" is more
885# popular; and that the leading "A" is also common but is omitted more
886# often than not. I just used AltaVista advanced search and got the
887# following count of page hits:
888#
889# 1,103 "Eastern Summer Time" AND domain:au
890# 971 "Australian Eastern Summer Time" AND domain:au
891# 613 "Eastern Daylight Time" AND domain:au
892# 127 "Australian Eastern Daylight Time" AND domain:au
893#
894# Here "Summer" seems quite a bit more popular than "Daylight",
895# particularly when we know the time zone is Australian and not US,
896# say. The "Australian" prefix seems to be popular for Eastern Summer
897# Time, but unpopular for Eastern Daylight Time.
898#
899# For abbreviations, tools like AltaVista are less useful because of
900# ambiguity. Many hits are not really time zones, unfortunately, and
901# many hits denote US time zones and not Australian ones. But here
902# are the hit counts anyway:
903#
904# 161,304 "EST" and domain:au
905# 25,156 "EDT" and domain:au
906# 18,263 "AEST" and domain:au
907# 10,416 "AEDT" and domain:au
908#
909# 14,538 "CST" and domain:au
910# 5,728 "CDT" and domain:au
911# 176 "ACST" and domain:au
912# 29 "ACDT" and domain:au
913#
914# 7,539 "WST" and domain:au
915# 68 "AWST" and domain:au
916#
917# This data suggest that Australians tend to omit the "A" prefix in
918# practice. The situation for "ST" versus "DT" is less clear, given
919# the ambiguities involved.
920#
921# * How do Australians feel about the abbreviations in the tz database?
922#
923# If you just count Australians on this list, I count 2 in favor and 3
924# against. One of the "against" votes (David Keegel) counseled delay,
925# saying that both AEST/AEDT and EST/EST are widely used and
926# understood in Australia.
927
928# From Paul Eggert (1995-12-19):
bd7414aa 929# Shanks & Pottenger report 2:00 for all autumn changes in Australia and NZ.
9ffe4b14 930# Mark Prior writes that his newspaper
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931# reports that NSW's fall 1995 change will occur at 2:00,
932# but Robert Elz says it's been 3:00 in Victoria since 1970
933# and perhaps the newspaper's `2:00' is referring to standard time.
934# For now we'll continue to assume 2:00s for changes since 1960.
935
9ffe4b14 936# From Eric Ulevik (1998-01-05):
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937#
938# Here are some URLs to Australian time legislation. These URLs are stable,
939# and should probably be included in the data file. There are probably more
940# relevant entries in this database.
941#
942# NSW (including LHI and Broken Hill):
943# <a href="http://www.austlii.edu.au/au/legis/nsw/consol_act/sta1987137/index.html">
944# Standard Time Act 1987 (updated 1995-04-04)
945# </a>
946# ACT
947# <a href="http://www.austlii.edu.au/au/legis/act/consol_act/stasta1972279/index.html">
948# Standard Time and Summer Time Act 1972
949# </a>
950# SA
951# <a href="http://www.austlii.edu.au/au/legis/sa/consol_act/sta1898137/index.html">
952# Standard Time Act, 1898
953# </a>
954
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955# From David Grosz (2005-06-13):
956# It was announced last week that Daylight Saving would be extended by
957# one week next year to allow for the 2006 Commonwealth Games.
958# Daylight Saving is now to end for next year only on the first Sunday
959# in April instead of the last Sunday in March.
960#
961# From Gwillim Law (2005-06-14):
962# I did some Googling and found that all of those states (and territory) plan
963# to extend DST together in 2006.
964# ACT: http://www.cmd.act.gov.au/mediareleases/fileread.cfm?file=86.txt
965# New South Wales: http://www.thecouriermail.news.com.au/common/story_page/0,5936,15538869%255E1702,00.html
966# South Australia: http://www.news.com.au/story/0,10117,15555031-1246,00.html
967# Tasmania: http://www.media.tas.gov.au/release.php?id=14772
968# Victoria: I wasn't able to find anything separate, but the other articles
969# allude to it.
970# But not Queensland
971# http://www.news.com.au/story/0,10117,15564030-1248,00.html.
972
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973# Northern Territory
974
975# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06):
976# # The NORTHERN TERRITORY.. [ Courtesy N.T. Dept of the Chief Minister ]
977# # [ Nov 1990 ]
978# # N.T. have never utilised any DST due to sub-tropical/tropical location.
979# ...
980# Zone Australia/North 9:30 - CST
981
982# From Bradley White (1991-03-04):
983# A recent excerpt from an Australian newspaper...
984# the Northern Territory do[es] not have daylight saving.
985
986# Western Australia
987
988# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06):
989# # The state of WESTERN AUSTRALIA.. [ Courtesy W.A. dept Premier+Cabinet ]
990# # [ Nov 1990 ]
991# # W.A. suffers from a great deal of public and political opposition to
992# # DST in principle. A bill is brought before parliament in most years, but
993# # usually defeated either in the upper house, or in party caucus
994# # before reaching parliament.
995# ...
996# Zone Australia/West 8:00 AW %sST
997# ...
998# Rule AW 1974 only - Oct lastSun 2:00 1:00 D
999# Rule AW 1975 only - Mar Sun>=1 3:00 0 W
1000# Rule AW 1983 only - Oct lastSun 2:00 1:00 D
1001# Rule AW 1984 only - Mar Sun>=1 3:00 0 W
1002
1003# From Bradley White (1991-03-04):
1004# A recent excerpt from an Australian newspaper...
1005# Western Australia...do[es] not have daylight saving.
1006
1007# From John D. Newman via Bradley White (1991-11-02):
1008# Western Australia is still on "winter time". Some DH in Sydney
1009# rang me at home a few days ago at 6.00am. (He had just arrived at
1010# work at 9.00am.)
1011# W.A. is switching to Summer Time on Nov 17th just to confuse
1012# everybody again.
1013
1014# From Arthur David Olson (1992-03-08):
1015# The 1992 ending date used in the rules is a best guess;
1016# it matches what was used in the past.
1017
1018# <a href="http://www.bom.gov.au/faq/faqgen.htm">
1019# The Australian Bureau of Meteorology FAQ
1020# </a> (1999-09-27) writes that Giles Meteorological Station uses
1021# South Australian time even though it's located in Western Australia.
1022
1023# Queensland
1024# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06):
1025# # The state of QUEENSLAND.. [ Courtesy Qld. Dept Premier Econ&Trade Devel ]
1026# # [ Dec 1990 ]
1027# ...
1028# Zone Australia/Queensland 10:00 AQ %sST
1029# ...
1030# Rule AQ 1971 only - Oct lastSun 2:00 1:00 D
1031# Rule AQ 1972 only - Feb lastSun 3:00 0 E
1032# Rule AQ 1989 max - Oct lastSun 2:00 1:00 D
1033# Rule AQ 1990 max - Mar Sun>=1 3:00 0 E
1034
1035# From Bradley White (1989-12-24):
1036# "Australia/Queensland" now observes daylight time (i.e. from
1037# October 1989).
1038
1039# From Bradley White (1991-03-04):
1040# A recent excerpt from an Australian newspaper...
1041# ...Queensland...[has] agreed to end daylight saving
1042# at 3am tomorrow (March 3)...
1043
1044# From John Mackin (1991-03-06):
1045# I can certainly confirm for my part that Daylight Saving in NSW did in fact
1046# end on Sunday, 3 March. I don't know at what hour, though. (It surprised
1047# me.)
1048
1049# From Bradley White (1992-03-08):
1050# ...there was recently a referendum in Queensland which resulted
1051# in the experimental daylight saving system being abandoned. So, ...
1052# ...
1053# Rule QLD 1989 1991 - Oct lastSun 2:00 1:00 D
1054# Rule QLD 1990 1992 - Mar Sun>=1 3:00 0 S
1055# ...
1056
1057# From Arthur David Olson (1992-03-08):
1058# The chosen rules the union of the 1971/1972 change and the 1989-1992 changes.
1059
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1060# From Christopher Hunt (2006-11-21), after an advance warning
1061# from Jesper Norgaard Welen (2006-11-01):
8393cd87 1062# WA are trialing DST for three years.
880368e2
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1063# <http://www.parliament.wa.gov.au/parliament/bills.nsf/9A1B183144403DA54825721200088DF1/$File/Bill175-1B.pdf>
1064
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1065# From Rives McDow (2002-04-09):
1066# The most interesting region I have found consists of three towns on the
880368e2 1067# southern coast.... South Australia observes daylight saving time; Western
984263bc
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1068# Australia does not. The two states are one and a half hours apart. The
1069# residents decided to forget about this nonsense of changing the clock so
1070# much and set the local time 20 hours and 45 minutes from the
1071# international date line, or right in the middle of the time of South
880368e2 1072# Australia and Western Australia....
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MD
1073#
1074# From Paul Eggert (2002-04-09):
1075# This is confirmed by the section entitled
1076# "What's the deal with time zones???" in
880368e2
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1077# <http://www.earthsci.unimelb.edu.au/~awatkins/null.html>.
1078#
1079# From Alex Livingston (2006-12-07):
1080# ... it was just on four years ago that I drove along the Eyre Highway,
1081# which passes through eastern Western Australia close to the southern
1082# coast of the continent.
1083#
1084# I paid particular attention to the time kept there. There can be no
1085# dispute that UTC+08:45 was considered "the time" from the border
1086# village just inside the border with South Australia to as far west
1087# as just east of Caiguna. There can also be no dispute that Eucla is
1088# the largest population centre in this zone....
1089#
1090# Now that Western Australia is observing daylight saving, the
1091# question arose whether this part of the state would follow suit. I
1092# just called the border village and confirmed that indeed they have,
1093# meaning that they are now observing UTC+09:45.
8393cd87 1094#
880368e2
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1095# (2006-12-09):
1096# I personally doubt that either experimentation with daylight saving
1097# in WA or its introduction in SA had anything to do with the genesis
1098# of this time zone. My hunch is that it's been around since well
1099# before 1975. I remember seeing it noted on road maps decades ago.
1100
1101# From Paul Eggert (2006-12-15):
1102# For lack of better info, assume the tradition dates back to the
1103# introduction of standard time in 1895.
1104
984263bc 1105
0e49ec84 1106# southeast Australia
984263bc 1107#
0e49ec84
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1108# From Paul Eggert (2007-07-23):
1109# Starting autumn 2008 Victoria, NSW, South Australia, Tasmania and the ACT
1110# end DST the first Sunday in April and start DST the first Sunday in October.
1111# http://www.theage.com.au/news/national/daylight-savings-to-span-six-months/2007/06/27/1182623966703.html
1112
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1113
1114# South Australia
1115
1116# From Bradley White (1991-03-04):
1117# A recent excerpt from an Australian newspaper...
1118# ...South Australia...[has] agreed to end daylight saving
1119# at 3am tomorrow (March 3)...
1120
1121# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06):
1122# # The state of SOUTH AUSTRALIA....[ Courtesy of S.A. Dept of Labour ]
1123# # [ Nov 1990 ]
1124# ...
1125# Zone Australia/South 9:30 AS %sST
1126# ...
1127# Rule AS 1971 max - Oct lastSun 2:00 1:00 D
1128# Rule AS 1972 1985 - Mar Sun>=1 3:00 0 C
bd7414aa 1129# Rule AS 1986 1990 - Mar Sun>=15 3:00 0 C
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1130# Rule AS 1991 max - Mar Sun>=1 3:00 0 C
1131
1132# From Bradley White (1992-03-11):
1133# Recent correspondence with a friend in Adelaide
1134# contained the following exchange: "Due to the Adelaide Festival,
1135# South Australia delays setting back our clocks for a few weeks."
1136
1137# From Robert Elz (1992-03-13):
1138# I heard that apparently (or at least, it appears that)
1139# South Aus will have an extra 3 weeks daylight saving every even
1140# numbered year (from 1990). That's when the Adelaide Festival
1141# is on...
1142
1143# From Robert Elz (1992-03-16, 00:57:07 +1000):
1144# DST didn't end in Adelaide today (yesterday)....
1145# But whether it's "4th Sunday" or "2nd last Sunday" I have no idea whatever...
1146# (it's just as likely to be "the Sunday we pick for this year"...).
1147
1148# From Bradley White (1994-04-11):
1149# If Sun, 15 March, 1992 was at +1030 as kre asserts, but yet Sun, 20 March,
1150# 1994 was at +0930 as John Connolly's customer seems to assert, then I can
1151# only conclude that the actual rule is more complicated....
1152
9ffe4b14 1153# From John Warburton (1994-10-07):
984263bc
MD
1154# The new Daylight Savings dates for South Australia ...
1155# was gazetted in the Government Hansard on Sep 26 1994....
1156# start on last Sunday in October and end in last sunday in March.
1157
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1158# From Paul Eggert (2007-07-23):
1159# See "southeast Australia" above for 2008 and later.
1160
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1161# Tasmania
1162
1163# The rules for 1967 through 1991 were reported by George Shepherd
1164# via Simon Woodhead via Robert Elz (1991-03-06):
1165# # The state of TASMANIA.. [Courtesy Tasmanian Dept of Premier + Cabinet ]
1166# # [ Nov 1990 ]
1167
1168# From Bill Hart via Guy Harris (1991-10-10):
1169# Oh yes, the new daylight savings rules are uniquely tasmanian, we have
1170# 6 weeks a year now when we are out of sync with the rest of Australia
1171# (but nothing new about that).
1172
1173# From Alex Livingston (1999-10-04):
1174# I heard on the ABC (Australian Broadcasting Corporation) radio news on the
1175# (long) weekend that Tasmania, which usually goes its own way in this regard,
1176# has decided to join with most of NSW, the ACT, and most of Victoria
1177# (Australia) and start daylight saving on the last Sunday in August in 2000
1178# instead of the first Sunday in October.
1179
1180# Sim Alam (2000-07-03) reported a legal citation for the 2000/2001 rules:
1181# http://www.thelaw.tas.gov.au/fragview/42++1968+GS3A@EN+2000070300
1182
0e49ec84
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1183# From Paul Eggert (2007-07-23):
1184# See "southeast Australia" above for 2008 and later.
1185
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1186# Victoria
1187
1188# The rules for 1971 through 1991 were reported by George Shepherd
1189# via Simon Woodhead via Robert Elz (1991-03-06):
1190# # The state of VICTORIA.. [ Courtesy of Vic. Dept of Premier + Cabinet ]
1191# # [ Nov 1990 ]
1192
1193# From Scott Harrington (2001-08-29):
1194# On KQED's "City Arts and Lectures" program last night I heard an
1195# interesting story about daylight savings time. Dr. John Heilbron was
1196# discussing his book "The Sun in the Church: Cathedrals as Solar
1197# Observatories"[1], and in particular the Shrine of Remembrance[2] located
1198# in Melbourne, Australia.
1199#
1200# Apparently the shrine's main purpose is a beam of sunlight which
1201# illuminates a special spot on the floor at the 11th hour of the 11th day
1202# of the 11th month (Remembrance Day) every year in memory of Australia's
1203# fallen WWI soldiers. And if you go there on Nov. 11, at 11am local time,
1204# you will indeed see the sunbeam illuminate the special spot at the
1205# expected time.
1206#
1207# However, that is only because of some special mirror contraption that had
1208# to be employed, since due to daylight savings time, the true solar time of
1209# the remembrance moment occurs one hour later (or earlier?). Perhaps
1210# someone with more information on this jury-rig can tell us more.
1211#
1212# [1] http://www.hup.harvard.edu/catalog/HEISUN.html
1213# [2] http://www.shrine.org.au
1214
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1215# From Paul Eggert (2007-07-23):
1216# See "southeast Australia" above for 2008 and later.
1217
984263bc
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1218# New South Wales
1219
1220# From Arthur David Olson:
1221# New South Wales and subjurisdictions have their own ideas of a fun time.
9ffe4b14 1222# Based on law library research by John Mackin,
984263bc
MD
1223# who notes:
1224# In Australia, time is not legislated federally, but rather by the
1225# individual states. Thus, while such terms as ``Eastern Standard Time''
1226# [I mean, of course, Australian EST, not any other kind] are in common
1227# use, _they have NO REAL MEANING_, as they are not defined in the
1228# legislation. This is very important to understand.
1229# I have researched New South Wales time only...
1230
9ffe4b14 1231# From Eric Ulevik (1999-05-26):
984263bc
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1232# DST will start in NSW on the last Sunday of August, rather than the usual
1233# October in 2000. [See: Matthew Moore,
1234# <a href="http://www.smh.com.au/news/9905/26/pageone/pageone4.html">
1235# Two months more daylight saving
1236# </a>
1237# Sydney Morning Herald (1999-05-26).]
1238
1239# From Paul Eggert (1999-09-27):
1240# See the following official NSW source:
1241# <a href="http://dir.gis.nsw.gov.au/cgi-bin/genobject/document/other/daylightsaving/tigGmZ">
1242# Daylight Saving in New South Wales.
1243# </a>
1244#
1245# Narrabri Shire (NSW) council has announced it will ignore the extension of
1246# daylight saving next year. See:
1247# <a href="http://abc.net.au/news/regionals/neweng/monthly/regeng-22jul1999-1.htm">
1248# Narrabri Council to ignore daylight saving
1249# </a> (1999-07-22). For now, we'll wait to see if this really happens.
1250#
1251# Victoria will following NSW. See:
1252# <a href="http://abc.net.au/local/news/olympics/1999/07/item19990728112314_1.htm">
1253# Vic to extend daylight saving
1254# </a> (1999-07-28).
1255#
1256# However, South Australia rejected the DST request. See:
1257# <a href="http://abc.net.au/news/olympics/1999/07/item19990719151754_1.htm">
1258# South Australia rejects Olympics daylight savings request
1259# </a> (1999-07-19).
1260#
1261# Queensland also will not observe DST for the Olympics. See:
1262# <a href="http://abc.net.au/news/olympics/1999/06/item19990601114608_1.htm">
1263# Qld says no to daylight savings for Olympics
1264# </a> (1999-06-01), which quotes Queensland Premier Peter Beattie as saying
1265# ``Look you've got to remember in my family when this came up last time
1266# I voted for it, my wife voted against it and she said to me it's all very
1267# well for you, you don't have to worry about getting the children out of
1268# bed, getting them to school, getting them to sleep at night.
1269# I've been through all this argument domestically...my wife rules.''
1270#
1271# Broken Hill will stick with South Australian time in 2000. See:
1272# <a href="http://abc.net.au/news/regionals/brokenh/monthly/regbrok-21jul1999-6.htm">
1273# Broken Hill to be behind the times
1274# </a> (1999-07-21).
1275
1276# IATA SSIM (1998-09) says that the spring 2000 change for Australian
1277# Capital Territory, New South Wales except Lord Howe Island and Broken
1278# Hill, and Victoria will be August 27, presumably due to the Sydney Olympics.
1279
1280# From Eric Ulevik, referring to Sydney's Sun Herald (2000-08-13), page 29:
1281# The Queensland Premier Peter Beattie is encouraging northern NSW
1282# towns to use Queensland time.
1283
0e49ec84
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1284# From Paul Eggert (2007-07-23):
1285# See "southeast Australia" above for 2008 and later.
1286
984263bc
MD
1287# Yancowinna
1288
1289# From John Mackin (1989-01-04):
1290# `Broken Hill' means the County of Yancowinna.
1291
1292# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06):
1293# # YANCOWINNA.. [ Confirmation courtesy of Broken Hill Postmaster ]
1294# # [ Dec 1990 ]
1295# ...
1296# # Yancowinna uses Central Standard Time, despite [its] location on the
1297# # New South Wales side of the S.A. border. Most business and social dealings
1298# # are with CST zones, therefore CST is legislated by local government
1299# # although the switch to Summer Time occurs in line with N.S.W. There have
1300# # been years when this did not apply, but the historical data is not
1301# # presently available.
1302# Zone Australia/Yancowinna 9:30 AY %sST
1303# ...
1304# Rule AY 1971 1985 - Oct lastSun 2:00 1:00 D
1305# Rule AY 1972 only - Feb lastSun 3:00 0 C
1306# [followed by other Rules]
1307
1308# Lord Howe Island
1309
1310# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06):
34850bd5 1311# LHI... [ Courtesy of Pauline Van Winsen ]
984263bc
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1312# [ Dec 1990 ]
1313# Lord Howe Island is located off the New South Wales coast, and is half an
1314# hour ahead of NSW time.
1315
1316# From James Lonergan, Secretary, Lord Howe Island Board (2000-01-27):
1317# Lord Howe Island summer time in 2000/2001 will commence on the same
1318# date as the rest of NSW (i.e. 2000-08-27). For your information the
1319# Lord Howe Island Board (controlling authority for the Island) is
1320# seeking the community's views on various options for summer time
1321# arrangements on the Island, e.g. advance clocks by 1 full hour
939d3005 1322# instead of only 30 minutes. [Dependent] on the wishes of residents
984263bc
MD
1323# the Board may approach the NSW government to change the existing
1324# arrangements. The starting date for summer time on the Island will
1325# however always coincide with the rest of NSW.
1326
1327# From James Lonergan, Secretary, Lord Howe Island Board (2000-10-25):
1328# Lord Howe Island advances clocks by 30 minutes during DST in NSW and retards
1329# clocks by 30 minutes when DST finishes. Since DST was most recently
1330# introduced in NSW, the "changeover" time on the Island has been 02:00 as
1331# shown on clocks on LHI. I guess this means that for 30 minutes at the start
1332# of DST, LHI is actually 1 hour ahead of the rest of NSW.
1333
bd7414aa
SW
1334# From Paul Eggert (2006-03-22):
1335# For Lord Howe dates we use Shanks & Pottenger through 1989, and
1336# Lonergan thereafter. For times we use Lonergan.
984263bc 1337
0e49ec84
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1338# From Paul Eggert (2007-07-23):
1339# See "southeast Australia" above for 2008 and later.
1340
3dbe7164
SW
1341# From Steffen Thorsen (2009-04-28):
1342# According to the official press release, South Australia's extended daylight
1343# saving period will continue with the same rules as used during the 2008-2009
1344# summer (southern hemisphere).
1345#
1346# From
1347# <a href="http://www.safework.sa.gov.au/uploaded_files/DaylightDatesSet.pdf">
1348# http://www.safework.sa.gov.au/uploaded_files/DaylightDatesSet.pdf
1349# </a>
1350# The extended daylight saving period that South Australia has been trialling
1351# for over the last year is now set to be ongoing.
1352# Daylight saving will continue to start on the first Sunday in October each
1353# year and finish on the first Sunday in April the following year.
1354# Industrial Relations Minister, Paul Caica, says this provides South Australia
1355# with a consistent half hour time difference with NSW, Victoria, Tasmania and
1356# the ACT for all 52 weeks of the year...
1357#
1358# We have a wrap-up here:
1359# <a href="http://www.timeanddate.com/news/time/south-australia-extends-dst.html">
1360# http://www.timeanddate.com/news/time/south-australia-extends-dst.html
1361# </a>
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1362###############################################################################
1363
1364# New Zealand
1365
1366# From Mark Davies (1990-10-03):
1367# the 1989/90 year was a trial of an extended "daylight saving" period.
1368# This trial was deemed successful and the extended period adopted for
1369# subsequent years (with the addition of a further week at the start).
1370# source -- phone call to Ministry of Internal Affairs Head Office.
1371
1372# From George Shepherd via Simon Woodhead via Robert Elz (1991-03-06):
1373# # The Country of New Zealand (Australia's east island -) Gee they hate that!
1374# # or is Australia the west island of N.Z.
34850bd5 1375# # [ courtesy of Geoff Tribble.. Auckland N.Z. ]
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1376# # [ Nov 1990 ]
1377# ...
1378# Rule NZ 1974 1988 - Oct lastSun 2:00 1:00 D
1379# Rule NZ 1989 max - Oct Sun>=1 2:00 1:00 D
1380# Rule NZ 1975 1989 - Mar Sun>=1 3:00 0 S
1381# Rule NZ 1990 max - Mar lastSun 3:00 0 S
1382# ...
1383# Zone NZ 12:00 NZ NZ%sT # New Zealand
1384# Zone NZ-CHAT 12:45 - NZ-CHAT # Chatham Island
1385
1386# From Arthur David Olson (1992-03-08):
1387# The chosen rules use the Davies October 8 values for the start of DST in 1989
1388# rather than the October 1 value.
1389
1390# From Paul Eggert (1995-12-19);
bd7414aa 1391# Shank & Pottenger report 2:00 for all autumn changes in Australia and NZ.
9ffe4b14 1392# Robert Uzgalis writes that the New Zealand Daylight
984263bc
MD
1393# Savings Time Order in Council dated 1990-06-18 specifies 2:00 standard
1394# time on both the first Sunday in October and the third Sunday in March.
1395# As with Australia, we'll assume the tradition is 2:00s, not 2:00.
1396#
bd7414aa 1397# From Paul Eggert (2006-03-22):
ba5ba9da
JR
1398# The Department of Internal Affairs (DIA) maintains a brief history,
1399# as does Carol Squires; see tz-link.htm for the full references.
bd7414aa 1400# Use these sources in preference to Shanks & Pottenger.
ba5ba9da
JR
1401#
1402# For Chatham, IATA SSIM (1991/1999) gives the NZ rules but with
1403# transitions at 2:45 local standard time; this confirms that Chatham
1404# is always exactly 45 minutes ahead of Auckland.
984263bc 1405
e1a4f1e4
SW
1406# From Colin Sharples (2007-04-30):
1407# DST will now start on the last Sunday in September, and end on the
1408# first Sunday in April. The changes take effect this year, meaning
1409# that DST will begin on 2007-09-30 2008-04-06.
1410# http://www.dia.govt.nz/diawebsite.nsf/wpg_URL/Services-Daylight-Saving-Daylight-saving-to-be-extended
1411
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1412###############################################################################
1413
1414
1415# Fiji
1416
1417# Howse writes (p 153) that in 1879 the British governor of Fiji
1418# enacted an ordinance standardizing the islands on Antipodean Time
1419# instead of the American system (which was one day behind).
1420
1421# From Rives McDow (1998-10-08):
1422# Fiji will introduce DST effective 0200 local time, 1998-11-01
1423# until 0300 local time 1999-02-28. Each year the DST period will
1424# be from the first Sunday in November until the last Sunday in February.
1425
1426# From Paul Eggert (2000-01-08):
1427# IATA SSIM (1999-09) says DST ends 0100 local time. Go with McDow.
1428
1429# From the BBC World Service (1998-10-31 11:32 UTC):
1430# The Fijiian government says the main reasons for the time change is to
1431# improve productivity and reduce road accidents. But correspondents say it
1432# also hopes the move will boost Fiji's ability to compete with other pacific
1433# islands in the effort to attract tourists to witness the dawning of the new
1434# millenium.
1435
1436# http://www.fiji.gov.fj/press/2000_09/2000_09_13-05.shtml (2000-09-13)
1437# reports that Fiji has discontinued DST.
1438
1439# Johnston
1440
1441# Johnston data is from usno1995.
1442
1443
1444# Kiribati
1445
1446# From Paul Eggert (1996-01-22):
1447# Today's _Wall Street Journal_ (page 1) reports that Kiribati
939d3005 1448# ``declared it the same day [throughout] the country as of Jan. 1, 1995''
984263bc
MD
1449# as part of the competition to be first into the 21st century.
1450
1451
1452# Kwajalein
1453
1454# In comp.risks 14.87 (26 August 1993), Peter Neumann writes:
1455# I wonder what happened in Kwajalein, where there was NO Friday,
1456# 1993-08-20. Thursday night at midnight Kwajalein switched sides with
1457# respect to the International Date Line, to rejoin its fellow islands,
1458# going from 11:59 p.m. Thursday to 12:00 m. Saturday in a blink.
1459
1460
1461# N Mariana Is, Guam
1462
1463# Howse writes (p 153) ``The Spaniards, on the other hand, reached the
1464# Philippines and the Ladrones from America,'' and implies that the Ladrones
1465# (now called the Marianas) kept American date for quite some time.
1466# For now, we assume the Ladrones switched at the same time as the Philippines;
1467# see Asia/Manila.
1468
1469# US Public Law 106-564 (2000-12-23) made UTC+10 the official standard time,
1470# under the name "Chamorro Standard Time". There is no official abbreviation,
1471# but Congressman Robert A. Underwood, author of the bill that became law,
1472# wrote in a press release (2000-12-27) that he will seek the use of "ChST".
1473
1474
1475# Micronesia
1476
9ffe4b14 1477# Alan Eugene Davis writes (1996-03-16),
984263bc
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1478# ``I am certain, having lived there for the past decade, that "Truk"
1479# (now properly known as Chuuk) ... is in the time zone GMT+10.''
1480#
bd7414aa
SW
1481# Shanks & Pottenger write that Truk switched from UTC+10 to UTC+11
1482# on 1978-10-01; ignore this for now.
984263bc
MD
1483
1484# From Paul Eggert (1999-10-29):
1485# The Federated States of Micronesia Visitors Board writes in
1486# <a href="http://www.fsmgov.org/info/clocks.html">
1487# The Federated States of Micronesia - Visitor Information
1488# </a> (1999-01-26)
1489# that Truk and Yap are UTC+10, and Ponape and Kosrae are UTC+11.
1490# We don't know when Kosrae switched from UTC+12; assume January 1 for now.
1491
1492
ba5ba9da
JR
1493# Midway
1494
1495# From Charles T O'Connor, KMTH DJ (1956),
1496# quoted in the KTMH section of the Radio Heritage Collection
1497# <http://radiodx.com/spdxr/KMTH.htm> (2002-12-31):
1498# For the past two months we've been on what is known as Daylight
1499# Saving Time. This time has put us on air at 5am in the morning,
1500# your time down there in New Zealand. Starting September 2, 1956
1501# we'll again go back to Standard Time. This'll mean that we'll go to
1502# air at 6am your time.
1503#
1504# From Paul Eggert (2003-03-23):
1505# We don't know the date of that quote, but we'll guess they
1506# started DST on June 3. Possibly DST was observed other years
1507# in Midway, but we have no record of it.
1508
1509
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1510# Pitcairn
1511
1512# From Rives McDow (1999-11-08):
1513# A Proclamation was signed by the Governor of Pitcairn on the 27th March 1998
1514# with regard to Pitcairn Standard Time. The Proclamation is as follows.
1515#
1516# The local time for general purposes in the Islands shall be
1517# Co-ordinated Universal time minus 8 hours and shall be known
1518# as Pitcairn Standard Time.
1519#
1520# ... I have also seen Pitcairn listed as UTC minus 9 hours in several
1521# references, and can only assume that this was an error in interpretation
1522# somehow in light of this proclamation.
1523
1524# From Rives McDow (1999-11-09):
1525# The Proclamation regarding Pitcairn time came into effect on 27 April 1998
1526# ... at midnight.
1527
1528# From Howie Phelps (1999-11-10), who talked to a Pitcairner via shortwave:
1529# Betty Christian told me yesterday that their local time is the same as
1530# Pacific Standard Time. They used to be 1/2 hour different from us here in
1531# Sacramento but it was changed a couple of years ago.
1532
1533
1534# Samoa
1535
1536# Howse writes (p 153, citing p 10 of the 1883-11-18 New York Herald)
1537# that in 1879 the King of Samoa decided to change
1538# ``the date in his kingdom from the Antipodean to the American system,
1539# ordaining -- by a masterpiece of diplomatic flattery -- that
1540# the Fourth of July should be celebrated twice in that year.''
1541
1542
1543# Tonga
1544
1545# From Paul Eggert (1996-01-22):
1546# Today's _Wall Street Journal_ (p 1) reports that ``Tonga has been plotting
1547# to sneak ahead of [New Zealanders] by introducing daylight-saving time.''
1548# Since Kiribati has moved the Date Line it's not clear what Tonga will do.
1549
1550# Don Mundell writes in the 1997-02-20 Tonga Chronicle
1551# <a href="http://www.tongatapu.net.to/tonga/homeland/timebegins.htm">
1552# How Tonga became `The Land where Time Begins'
1553# </a>:
1554
1555# Until 1941 Tonga maintained a standard time 50 minutes ahead of NZST
1556# 12 hours and 20 minutes ahead of GMT. When New Zealand adjusted its
1557# standard time in 1940s, Tonga had the choice of subtracting from its
1558# local time to come on the same standard time as New Zealand or of
1559# advancing its time to maintain the differential of 13 degrees
1560# (approximately 50 minutes ahead of New Zealand time).
1561#
1562# Because His Majesty King Taufa'ahau Tupou IV, then Crown Prince
1563# Tungi, preferred to ensure Tonga's title as the land where time
1564# begins, the Legislative Assembly approved the latter change.
1565#
1566# But some of the older, more conservative members from the outer
1567# islands objected. "If at midnight on Dec. 31, we move ahead 40
1568# minutes, as your Royal Highness wishes, what becomes of the 40
1569# minutes we have lost?"
1570#
1571# The Crown Prince, presented an unanswerable argument: "Remember that
1572# on the World Day of Prayer, you would be the first people on Earth
1573# to say your prayers in the morning."
1574
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1575# From Paul Eggert (2006-03-22):
1576# Shanks & Pottenger say the transition was on 1968-10-01; go with Mundell.
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1577
1578# From Eric Ulevik (1999-05-03):
1579# Tonga's director of tourism, who is also secretary of the National Millenium
1580# Committee, has a plan to get Tonga back in front.
1581# He has proposed a one-off move to tropical daylight saving for Tonga from
1582# October to March, which has won approval in principle from the Tongan
1583# Government.
1584
9ffe4b14 1585# From Steffen Thorsen (1999-09-09):
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1586# * Tonga will introduce DST in November
1587#
9ffe4b14 1588# I was given this link by John Letts:
a36b983e 1589# <a href="http://news.bbc.co.uk/hi/english/world/asia-pacific/newsid_424000/424764.stm">
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1590# http://news.bbc.co.uk/hi/english/world/asia-pacific/newsid_424000/424764.stm
1591# </a>
1592#
1593# I have not been able to find exact dates for the transition in November
1594# yet. By reading this article it seems like Fiji will be 14 hours ahead
1595# of UTC as well, but as far as I know Fiji will only be 13 hours ahead
1596# (12 + 1 hour DST).
1597
9ffe4b14 1598# From Arthur David Olson (1999-09-20):
a36b983e 1599# According to <a href="http://www.tongaonline.com/news/sept1799.html">
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1600# http://www.tongaonline.com/news/sept1799.html
1601# </a>:
1602# "Daylight Savings Time will take effect on Oct. 2 through April 15, 2000
1603# and annually thereafter from the first Saturday in October through the
1604# third Saturday of April. Under the system approved by Privy Council on
1605# Sept. 10, clocks must be turned ahead one hour on the opening day and
1606# set back an hour on the closing date."
1607# Alas, no indication of the time of day.
1608
1609# From Rives McDow (1999-10-06):
1610# Tonga started its Daylight Saving on Saturday morning October 2nd at 0200am.
1611# Daylight Saving ends on April 16 at 0300am which is Sunday morning.
1612
1613# From Steffen Thorsen (2000-10-31):
1614# Back in March I found a notice on the website http://www.tongaonline.com
1615# that Tonga changed back to standard time one month early, on March 19
1616# instead of the original reported date April 16. Unfortunately, the article
1617# is no longer available on the site, and I did not make a copy of the
1618# text, and I have forgotten to report it here.
1619# (Original URL was: http://www.tongaonline.com/news/march162000.htm )
1620
1621# From Rives McDow (2000-12-01):
1622# Tonga is observing DST as of 2000-11-04 and will stop on 2001-01-27.
1623
1624# From Sione Moala-Mafi (2001-09-20) via Rives McDow:
1625# At 2:00am on the first Sunday of November, the standard time in the Kingdom
1626# shall be moved forward by one hour to 3:00am. At 2:00am on the last Sunday
1627# of January the standard time in the Kingdom shall be moved backward by one
1628# hour to 1:00am.
1629
1630# From Pulu 'Anau (2002-11-05):
1631# The law was for 3 years, supposedly to get renewed. It wasn't.
1632
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JR
1633
1634# Wake
1635
1636# From Vernice Anderson, Personal Secretary to Philip Jessup,
1637# US Ambassador At Large (oral history interview, 1971-02-02):
1638#
1639# Saturday, the 14th [of October, 1950] -- ... The time was all the
1640# more confusing at that point, because we had crossed the
1641# International Date Line, thus getting two Sundays. Furthermore, we
1642# discovered that Wake Island had two hours of daylight saving time
1643# making calculation of time in Washington difficult if not almost
1644# impossible.
1645#
1646# http://www.trumanlibrary.org/wake/meeting.htm
1647
1648# From Paul Eggert (2003-03-23):
1649# We have no other report of DST in Wake Island, so omit this info for now.
1650
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1651###############################################################################
1652
1653# The International Date Line
1654
1655# From Gwillim Law (2000-01-03):
1656#
1657# The International Date Line is not defined by any international standard,
1658# convention, or treaty. Mapmakers are free to draw it as they please.
1659# Reputable mapmakers will simply ensure that every point of land appears on
1660# the correct side of the IDL, according to the date legally observed there.
1661#
1662# When Kiribati adopted a uniform date in 1995, thereby moving the Phoenix and
1663# Line Islands to the west side of the IDL (or, if you prefer, moving the IDL
1664# to the east side of the Phoenix and Line Islands), I suppose that most
1665# mapmakers redrew the IDL following the boundary of Kiribati. Even that line
1666# has a rather arbitrary nature. The straight-line boundaries between Pacific
1667# island nations that are shown on many maps are based on an international
e1e23b59 1668# convention, but are not legally binding national borders.... The date is
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1669# governed by the IDL; therefore, even on the high seas, there may be some
1670# places as late as fourteen hours later than UTC. And, since the IDL is not
1671# an international standard, there are some places on the high seas where the
1672# correct date is ambiguous.
bc95ec93 1673
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1674# From Wikipedia <http://en.wikipedia.org/wiki/Time_zone> (2005-08-31):
1675# Before 1920, all ships kept local apparent time on the high seas by setting
1676# their clocks at night or at the morning sight so that, given the ship's
1677# speed and direction, it would be 12 o'clock when the Sun crossed the ship's
1678# meridian (12 o'clock = local apparent noon). During 1917, at the
1679# Anglo-French Conference on Time-keeping at Sea, it was recommended that all
1680# ships, both military and civilian, should adopt hourly standard time zones
1681# on the high seas. Whenever a ship was within the territorial waters of any
1682# nation it would use that nation's standard time. The captain was permitted
1683# to change his ship's clocks at a time of his choice following his ship's
1684# entry into another zone time--he often chose midnight. These zones were
1685# adopted by all major fleets between 1920 and 1925 but not by many
1686# independent merchant ships until World War II.
1687
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1688# From Paul Eggert, using references suggested by Oscar van Vlijmen
1689# (2005-03-20):
1690#
1691# The American Practical Navigator (2002)
1692# <http://pollux.nss.nima.mil/pubs/pubs_j_apn_sections.html?rid=187>
1693# talks only about the 180-degree meridian with respect to ships in
1694# international waters; it ignores the international date line.