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b9f1792a 1# @(#)asia 7.42
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2
3# This data is by no means authoritative; if you think you know better,
4# go ahead and edit the file (and please send any changes to
5# tz@elsie.nci.nih.gov for general use in the future).
6
b9f1792a 7# From Paul Eggert <eggert@twinsun.com> (1999-03-22):
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8#
9# A good source for time zone historical data outside the U.S. is
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10# Thomas G. Shanks, The International Atlas (4th edition),
11# San Diego: ACS Publications, Inc. (1995).
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12# Except where otherwise noted, it is the source for the data below.
13#
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14# Gwillim Law <LAW@encmail.encompass.com> writes that a good source
15# for recent time zone data is the International Air Transport
16# Association's Standard Schedules Information Manual (IATA SSIM),
17# published semiannually. Law sent in several helpful summaries
18# of the IATA's data after 1990.
19#
20# Except where otherwise noted, Shanks is the source for entries through 1990,
21# and IATA SSIM is the source for entries after 1990.
22#
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23# Another source occasionally used is Edward W. Whitman, World Time Differences,
24# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
25# I found in the UCLA library.
26#
27# A reliable and entertaining source about time zones is
b9f1792a 28# Derek Howse, Greenwich time and longitude, Antique Collectors Club (1997).
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29#
30# I invented the abbreviations marked `*' in the following table;
31# the rest are from earlier versions of this file, or from other sources.
32# Corrections are welcome!
33# std dst
34# LMT Local Mean Time
569c558c 35# 2:00 EET EEST Eastern European Time
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36# 2:00 IST IDT Israel
37# 3:00 AST ADT Arabia*
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38# 4:00 GST Gulf*
39# 5:30 IST India
28f540f4 40# 7:00 ICT Indochina*
569c558c 41# 8:00 CST China
b21c5832 42# 9:00 CJT Central Japanese Time (1896/1937)*
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43# 9:00 JST Japan
44# 9:00 KST Korea
45# 9:30 CST (Australian) Central Standard Time
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46#
47# See the `europe' file for Russia and Turkey in Asia.
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48
49# From Guy Harris:
50# Incorporates data for Singapore from Robert Elz' asia 1.1, as well as
51# additional information from Tom Yap, Sun Microsystems Intercontinental
52# Technical Support (including a page from the Official Airline Guide -
53# Worldwide Edition). The names for time zones are guesses.
54
55###############################################################################
56
8a523922 57# These rules are stolen from the `europe' file.
28f540f4 58# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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59Rule EUAsia 1981 max - Mar lastSun 1:00u 1:00 S
60Rule EUAsia 1996 max - Oct lastSun 1:00u 0 -
61Rule E-EurAsia 1981 max - Mar lastSun 0:00 1:00 S
62Rule E-EurAsia 1979 1995 - Sep lastSun 0:00 0 -
63Rule E-EurAsia 1996 max - Oct lastSun 0:00 0 -
64Rule RussiaAsia 1981 1984 - Apr 1 0:00 1:00 S
65Rule RussiaAsia 1981 1983 - Oct 1 0:00 0 -
66Rule RussiaAsia 1984 1991 - Sep lastSun 2:00s 0 -
67Rule RussiaAsia 1985 1991 - Mar lastSun 2:00s 1:00 S
68Rule RussiaAsia 1992 only - Mar lastSat 23:00 1:00 S
69Rule RussiaAsia 1992 only - Sep lastSat 23:00 0 -
70Rule RussiaAsia 1993 max - Mar lastSun 2:00s 1:00 S
71Rule RussiaAsia 1993 1995 - Sep lastSun 2:00s 0 -
72Rule RussiaAsia 1996 max - Oct lastSun 2:00s 0 -
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73
74# Afghanistan
75# Zone NAME GMTOFF RULES FORMAT [UNTIL]
76Zone Asia/Kabul 4:36:48 - LMT 1890
569c558c 77 4:00 - AFT 1945
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78 4:30 - AFT
79
80# Armenia
2b79b6d5 81# From Paul Eggert (1998-??-??):
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82# Shanks has Yerevan switching to 3:00 (with Russian DST) in spring 1991,
83# but usno1995 has Armenia at 4:00 (with DST), and Edgar Der-Danieliantz
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84# <edd@AIC.NET> reported (1996-05-04) that Yerevan probably wouldn't use DST
85# in 1996, though it did use DST in 1995. IATA SSIM (1991/1998) reports that
86# Armenia switched from 3:00 to 4:00 in 1998 and observed DST after 1991,
87# but started switching at 3:00s in 1998.
88# What a mess! We guess Yerevan DST stayed in sync with Moscow between 1990
89# and 1995, did not use DST in 1996, and started using DST again in 1997.
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90# Zone NAME GMTOFF RULES FORMAT [UNTIL]
91Zone Asia/Yerevan 2:58:00 - LMT 1924 May 2
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92 3:00 - YERT 1957 Mar # Yerevan Time
93 4:00 RussiaAsia YER%sT 1991 Mar 31 2:00s
94 3:00 1:00 YERST 1991 Sep 23 # independence
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95 3:00 1:00 AMST 1991 Sep 29 2:00s # Armenia Time
96 3:00 - AMT 1992 Jan 19 2:00s
97 4:00 RussiaAsia AM%sT 1996
98 4:00 - AMT 1997
99 4:00 RussiaAsia AM%sT
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100
101# Azerbaijan
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102# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
103Rule Azer 1997 max - Mar lastSun 1:00 1:00 S
104Rule Azer 1997 max - Oct lastSun 1:00 0 -
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105# Zone NAME GMTOFF RULES FORMAT [UNTIL]
106Zone Asia/Baku 3:19:24 - LMT 1924 May 2
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107 3:00 - BAKT 1957 Mar # Baku Time
108 4:00 RussiaAsia BAK%sT 1991 Mar 31 2:00s
109 3:00 1:00 BAKST 1991 Aug 30 # independence
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110 3:00 RussiaAsia AZ%sT 1992 Sep lastSun 2:00s
111 4:00 - AZT 1996 # Azerbaijan time
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112 4:00 EUAsia AZ%sT 1997
113 4:00 Azer AZ%sT
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114
115# Bahrain
116# Zone NAME GMTOFF RULES FORMAT [UNTIL]
117Zone Asia/Bahrain 3:22:20 - LMT 1920 # Al-Manamah
118 4:00 - GST 1972 Jun
119 3:00 - AST
120
121# Bangladesh
122# Zone NAME GMTOFF RULES FORMAT [UNTIL]
123Zone Asia/Dacca 6:01:40 - LMT 1890
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124 5:53:20 - HMT 1941 Oct # Howrah Mean Time?
125 6:30 - BURT 1942 May 15 # Burma Time
28f540f4 126 5:30 - IST 1942 Sep
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127 6:30 - BURT 1951 Sep 30
128 6:00 - DACT 1971 Mar 26 # Dacca Time
129 6:00 - BDT # Bangladesh Time
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130
131# Bhutan
132# Zone NAME GMTOFF RULES FORMAT [UNTIL]
133Zone Asia/Thimbu 5:58:36 - LMT 1947 Aug 15
134 5:30 - IST 1987 Oct
569c558c 135 6:00 - BTT # Bhutan Time
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136
137# British Indian Ocean Territory
138# From Whitman:
139# Zone NAME GMTOFF RULES FORMAT [UNTIL]
569c558c 140Zone Indian/Chagos 5:00 - IOT # BIOT Time
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141
142# Brunei
143# Zone NAME GMTOFF RULES FORMAT [UNTIL]
144Zone Asia/Brunei 7:39:40 - LMT 1926 Mar # Bandar Seri Begawan
145 7:30 - BNT 1933
146 8:00 - BNT
147
72d8cdf0 148# Burma / Myanmar
28f540f4 149# Zone NAME GMTOFF RULES FORMAT [UNTIL]
dfe1754a 150Zone Asia/Rangoon 6:24:40 - LMT 1880 # or Yangon
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151 6:24:36 - RMT 1920 # Rangoon Mean Time?
152 6:30 - BURT 1942 May # Burma Time
28f540f4 153 9:00 - JST 1945 May 3
569c558c 154 6:30 - MMT # Myanmar Time
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155
156# Cambodia
157# Zone NAME GMTOFF RULES FORMAT [UNTIL]
158Zone Asia/Phnom_Penh 6:59:40 - LMT 1906 Jun 9
569c558c 159 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT?
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160 7:00 - ICT 1912 May
161 8:00 - ICT 1931 May
162 7:00 - ICT
163
ae828bc6 164# China
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165
166# From Guy Harris:
167# People's Republic of China. Yes, they really have only one time zone.
168
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169# From Bob Devine (1988-01-28):
170# No they don't. See TIME mag, 1986-02-17 p.52. Even though
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171# China is across 4 physical time zones, before Feb 1, 1986 only the
172# Peking (Bejing) time zone was recognized. Since that date, China
173# has two of 'em -- Peking's and Urumqi (named after the capital of
174# the Xinjiang Uighur Autonomous Region). I don't know about DST for it.
175#
176# . . .I just deleted the DST table and this editor makes it too
177# painful to suck in another copy.. So, here is what I have for
178# DST start/end dates for Peking's time zone (info from AP):
179#
180# 1986 May 4 - Sept 14
181# 1987 mid-April - ??
182
b5791037 183# From U. S. Naval Observatory (1989-01-19):
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184# CHINA 8 H AHEAD OF UTC ALL OF CHINA, INCL TAIWAN
185# CHINA 9 H AHEAD OF UTC APR 17 - SEP 10
186
72d8cdf0 187# From Paul Eggert <eggert@twinsun.com> (1995-12-19):
569c558c 188# Shanks writes that China has had a single time zone since 1980 May 1,
72d8cdf0 189# observing summer DST from 1986 through 1991; this contradicts Devine's
28f540f4 190# note about Time magazine, though apparently _something_ happened in 1986.
72d8cdf0 191# Go with Shanks for now. I made up names for the other pre-1980 time zones.
28f540f4 192
2b79b6d5 193# From Shanks (1995):
28f540f4 194# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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195Rule Shang 1940 only - Jun 3 0:00 1:00 D
196Rule Shang 1940 1941 - Oct 1 0:00 0 S
197Rule Shang 1941 only - Mar 16 0:00 1:00 D
198Rule PRC 1949 only - Jan 1 0:00 0 S
199Rule PRC 1986 only - May 4 0:00 1:00 D
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200Rule PRC 1986 1991 - Sep Sun>=11 0:00 0 S
201Rule PRC 1987 1991 - Apr Sun>=10 0:00 1:00 D
202# Zone NAME GMTOFF RULES FORMAT [UNTIL]
203Zone Asia/Harbin 8:26:44 - LMT 1928
569c558c 204 8:30 - HART 1932 Mar # Harbin Time
72d8cdf0 205 8:00 - CST 1940
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206 9:00 - HART 1966 May
207 8:30 - HART 1980 May
72d8cdf0 208 8:00 PRC C%sT
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209Zone Asia/Shanghai 8:05:52 - LMT 1928
210 8:00 Shang C%sT 1949
211 8:00 PRC C%sT
72d8cdf0 212Zone Asia/Chungking 7:06:20 - LMT 1928
569c558c 213 7:00 - CHUT 1980 May # Chungking Time
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214 8:00 PRC C%sT
215Zone Asia/Urumqi 5:50:20 - LMT 1928
569c558c 216 6:00 - URUT 1980 May # Urumqi Time
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217 8:00 PRC C%sT
218Zone Asia/Kashgar 5:03:56 - LMT 1928
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219 5:30 - KAST 1940 # Kashgar Time
220 5:00 - KAST 1980 May
72d8cdf0 221 8:00 PRC C%sT
28f540f4 222# Hong Kong
28f540f4 223# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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224Rule HK 1946 only - Apr 20 3:30 1:00 S
225Rule HK 1946 only - Dec 1 3:30 0 -
226Rule HK 1947 only - Apr 13 3:30 1:00 S
227Rule HK 1947 only - Dec 30 3:30 0 -
228Rule HK 1948 only - May 2 3:30 1:00 S
229Rule HK 1948 1952 - Oct lastSun 3:30 0 -
230Rule HK 1949 1953 - Apr Sun>=1 3:30 1:00 S
231Rule HK 1953 only - Nov 1 3:30 0 -
232Rule HK 1954 1964 - Mar Sun>=18 3:30 1:00 S
233Rule HK 1954 only - Oct 31 3:30 0 -
234Rule HK 1955 1964 - Nov Sun>=1 3:30 0 -
235Rule HK 1965 1977 - Apr Sun>=16 3:30 1:00 S
236Rule HK 1965 1977 - Oct Sun>=16 3:30 0 -
237Rule HK 1979 1980 - May Sun>=8 3:30 1:00 S
238Rule HK 1979 1980 - Oct Sun>=16 3:30 0 -
239# Zone NAME GMTOFF RULES FORMAT [UNTIL]
240Zone Asia/Hong_Kong 7:36:36 - LMT 1904 Oct 30
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241 8:00 HK HK%sT 1997 Jul 1 # return to China
242 8:00 PRC C%sT
28f540f4 243
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244
245###############################################################################
246
ae828bc6 247# Taiwan
907a1bac 248
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249# Shanks (1995) writes that Taiwan observed DST during 1945, when it
250# was still controlled by Japan. This is hard to believe, but we don't
251# have any other information.
252
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253# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
254Rule Taiwan 1945 1951 - May 1 0:00 1:00 D
255Rule Taiwan 1945 1951 - Oct 1 0:00 0 S
256Rule Taiwan 1952 only - Mar 1 0:00 1:00 D
257Rule Taiwan 1952 1954 - Nov 1 0:00 0 S
258Rule Taiwan 1953 1959 - Apr 1 0:00 1:00 D
259Rule Taiwan 1955 1961 - Oct 1 0:00 0 S
260Rule Taiwan 1960 1961 - Jun 1 0:00 1:00 D
261Rule Taiwan 1974 1975 - Apr 1 0:00 1:00 D
262Rule Taiwan 1974 1975 - Oct 1 0:00 0 S
263Rule Taiwan 1980 only - Jun 30 0:00 1:00 D
264Rule Taiwan 1980 only - Sep 30 0:00 0 S
265# Zone NAME GMTOFF RULES FORMAT [UNTIL]
266Zone Asia/Taipei 8:06:00 - LMT 1896
267 8:00 Taiwan C%sT
268
28f540f4 269# Macao
28f540f4 270# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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271Rule Macao 1961 1962 - Mar Sun>=16 3:30 1:00 S
272Rule Macao 1961 1964 - Nov Sun>=1 3:30 0 -
273Rule Macao 1963 only - Mar Sun>=16 0:00 1:00 S
274Rule Macao 1964 only - Mar Sun>=16 3:30 1:00 S
275Rule Macao 1965 only - Mar Sun>=16 0:00 1:00 S
276Rule Macao 1965 only - Oct 31 0:00 0 -
277Rule Macao 1966 1971 - Apr Sun>=16 3:30 1:00 S
278Rule Macao 1966 1971 - Oct Sun>=16 3:30 0 -
279Rule Macao 1972 1974 - Apr Sun>=15 0:00 1:00 S
280Rule Macao 1972 1973 - Oct Sun>=15 0:00 0 -
281Rule Macao 1974 1977 - Oct Sun>=15 3:30 0 -
282Rule Macao 1975 1977 - Apr Sun>=15 3:30 1:00 S
283Rule Macao 1978 1980 - Apr Sun>=15 0:00 1:00 S
284Rule Macao 1978 1980 - Oct Sun>=15 0:00 0 -
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285# Zone NAME GMTOFF RULES FORMAT [UNTIL]
286Zone Asia/Macao 7:34:20 - LMT 1912
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287 8:00 Macao MO%sT 1999 Dec 20 # return to China
288 8:00 PRC C%sT
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289
290
291###############################################################################
292
293# Cyprus
294# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
569c558c 295Rule Cyprus 1975 only - Apr 13 0:00 1:00 S
28f540f4 296Rule Cyprus 1975 only - Oct 12 0:00 0 -
569c558c 297Rule Cyprus 1976 only - May 15 0:00 1:00 S
28f540f4 298Rule Cyprus 1976 only - Oct 11 0:00 0 -
569c558c 299Rule Cyprus 1977 1980 - Apr Sun>=1 0:00 1:00 S
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300Rule Cyprus 1977 only - Sep 25 0:00 0 -
301Rule Cyprus 1978 only - Oct 2 0:00 0 -
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302Rule Cyprus 1979 1997 - Sep lastSun 0:00 0 -
303Rule Cyprus 1981 1998 - Mar lastSun 0:00 1:00 S
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304# Zone NAME GMTOFF RULES FORMAT [UNTIL]
305Zone Asia/Nicosia 2:13:28 - LMT 1921 Nov 14
b21c5832 306 2:00 Cyprus EE%sT 1998 Sep
c2965673 307 2:00 EUAsia EE%sT
b21c5832 308# IATA SSIM (1998-09) has Cyprus using EU rules for the first time.
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309
310# Georgia
311# From Paul Eggert <eggert@twinsun.com> (1994-11-19):
312# Today's _Economist_ (p 60) reports that Georgia moved its clocks forward
313# an hour recently, due to a law proposed by Zurab Murvanidze,
314# an MP who went on a hunger strike for 11 days to force discussion about it!
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315# We have no details, but we'll guess they didn't move the clocks back in fall.
316#
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317# From Mathew Englander <mathew@io.org>, quoting AP (1996-10-23 13:05-04):
318# Instead of putting back clocks at the end of October, Georgia
319# will stay on daylight savings time this winter to save energy,
320# President Eduard Shevardnadze decreed Wednesday.
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321# Zone NAME GMTOFF RULES FORMAT [UNTIL]
322Zone Asia/Tbilisi 2:59:16 - LMT 1880
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323 2:59:16 - TBMT 1924 May 2 # Tbilisi Mean Time
324 3:00 - TBIT 1957 Mar # Tbilisi Time
325 4:00 RussiaAsia TBI%sT 1991 Mar 31 2:00s
326 3:00 1:00 TBIST 1991 Apr 9 # independence
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327 3:00 RussiaAsia GE%sT 1992 # Georgia Time
328 3:00 E-EurAsia GE%sT 1994 Sep lastSun
329 4:00 E-EurAsia GE%sT 1996 Oct lastSun
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330 4:00 1:00 GEST 1997 Mar lastSun
331 4:00 E-EurAsia GE%sT
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332
333# India
334# Zone NAME GMTOFF RULES FORMAT [UNTIL]
335Zone Asia/Calcutta 5:53:28 - LMT 1880
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336 5:53:20 - HMT 1941 Oct # Howrah Mean Time?
337 6:30 - BURT 1942 May 15 # Burma Time
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338 5:30 - IST 1942 Sep
339 5:30 1:00 IST 1945 Oct 15
340 5:30 - IST
341# The following are like Asia/Calcutta:
342# Andaman Is
343# Lakshadweep (Laccadive, Minicoy and Amindivi Is)
344# Nicobar Is
345
346# Indonesia
347# Zone NAME GMTOFF RULES FORMAT [UNTIL]
348Zone Asia/Jakarta 7:07:12 - LMT 1867 Aug 10
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349 7:07:12 - JMT 1924 Jan 1 0:13 # Jakarta MT
350 7:20 - JAVT 1932 Nov # Java Time
351 7:30 - JAVT 1942 Mar 23
28f540f4 352 9:00 - JST 1945 Aug
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353 7:30 - JAVT 1948 May
354 8:00 - JAVT 1950 May
355 7:30 - JAVT 1964
356 7:00 - JAVT
28f540f4 357Zone Asia/Ujung_Pandang 7:57:36 - LMT 1920
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358 7:57:36 - MMT 1932 Nov # Macassar MT
359 8:00 - BORT 1942 Feb 9 # Borneo Time
28f540f4 360 9:00 - JST 1945 Aug
569c558c 361 8:00 - BORT
28f540f4 362Zone Asia/Jayapura 9:22:48 - LMT 1932 Nov
569c558c 363 9:00 - JAYT 1944 # Jayapura Time
28f540f4 364 9:30 - CST 1964
569c558c 365 9:00 - JAYT
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366
367# Iran
6bc31da0 368# From Paul Eggert (1996-12-17), following up a suggestion by Rich Wales:
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369# Ahmea Alavi in
370# <a href="http://tehran.stanford.edu/Iran_Lib/Calendar/taghveem.txt">
ae828bc6 371# TAGHVEEM (1993-08-04)
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372# </a>
373# writes ``Daylight saving time in Iran starts from the first day
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374# of Farvardin and ends the first day of Mehr.'' This disagrees with the SSIM:
375#
376# DST start DST end
377# year SSIM Alavi SSIM Alavi
378# 1991 05-03!= 03-21 09-20!= 09-23
379# 1992 03-22!= 03-21 09-23 09-23
380# 1993 03-21 03-21 09-23 09-23
381# 1994 03-21 03-21 09-22!= 09-23
382# 1995 03-21 03-21 09-22!= 09-23
383# 1996 03-21!= 03-20 09-21!= 09-22
384# 1997 03-21 03-21 09-21!= 09-23
385#
386# Go with Alavi starting with 1992.
387# I used Ed Reingold's cal-persia in GNU Emacs 19.34 to compute Persian dates.
388# The Persian calendar is based on the sun, and dates after around 2050
389# are approximate; stop after 2037 when 32-bit time_t's overflow.
390#
28f540f4 391# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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392Rule Iran 1978 1980 - Mar 21 0:00 1:00 S
393Rule Iran 1978 only - Oct 21 0:00 0 -
394Rule Iran 1979 only - Sep 19 0:00 0 -
395Rule Iran 1980 only - Sep 23 0:00 0 -
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396Rule Iran 1991 only - May 3 0:00s 1:00 S
397Rule Iran 1991 only - Sep 20 0:00s 0 -
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398Rule Iran 1992 1995 - Mar 21 0:00 1:00 S
399Rule Iran 1992 1995 - Sep 23 0:00 0 -
400Rule Iran 1996 only - Mar 20 0:00 1:00 S
401Rule Iran 1996 only - Sep 22 0:00 0 -
402Rule Iran 1997 1999 - Mar 21 0:00 1:00 S
403Rule Iran 1997 1999 - Sep 23 0:00 0 -
404Rule Iran 2000 only - Mar 20 0:00 1:00 S
405Rule Iran 2000 only - Sep 22 0:00 0 -
406Rule Iran 2001 2003 - Mar 21 0:00 1:00 S
407Rule Iran 2001 2003 - Sep 23 0:00 0 -
408Rule Iran 2004 only - Mar 20 0:00 1:00 S
409Rule Iran 2004 only - Sep 22 0:00 0 -
410Rule Iran 2005 2007 - Mar 21 0:00 1:00 S
411Rule Iran 2005 2007 - Sep 23 0:00 0 -
412Rule Iran 2008 only - Mar 20 0:00 1:00 S
413Rule Iran 2008 only - Sep 22 0:00 0 -
414Rule Iran 2009 2011 - Mar 21 0:00 1:00 S
415Rule Iran 2009 2011 - Sep 23 0:00 0 -
416Rule Iran 2012 only - Mar 20 0:00 1:00 S
417Rule Iran 2012 only - Sep 22 0:00 0 -
418Rule Iran 2013 2015 - Mar 21 0:00 1:00 S
419Rule Iran 2013 2015 - Sep 23 0:00 0 -
420Rule Iran 2016 only - Mar 20 0:00 1:00 S
421Rule Iran 2016 only - Sep 22 0:00 0 -
422Rule Iran 2017 2019 - Mar 21 0:00 1:00 S
423Rule Iran 2017 2019 - Sep 23 0:00 0 -
424Rule Iran 2020 only - Mar 20 0:00 1:00 S
425Rule Iran 2020 only - Sep 22 0:00 0 -
426Rule Iran 2021 2023 - Mar 21 0:00 1:00 S
427Rule Iran 2021 2023 - Sep 23 0:00 0 -
428Rule Iran 2024 2025 - Mar 20 0:00 1:00 S
429Rule Iran 2024 2025 - Sep 22 0:00 0 -
430Rule Iran 2026 2027 - Mar 21 0:00 1:00 S
431Rule Iran 2026 2027 - Sep 23 0:00 0 -
432Rule Iran 2028 2029 - Mar 20 0:00 1:00 S
433Rule Iran 2028 2029 - Sep 22 0:00 0 -
434Rule Iran 2030 2031 - Mar 21 0:00 1:00 S
435Rule Iran 2030 2031 - Sep 23 0:00 0 -
436Rule Iran 2032 2033 - Mar 20 0:00 1:00 S
437Rule Iran 2032 2033 - Sep 22 0:00 0 -
438Rule Iran 2034 2035 - Mar 21 0:00 1:00 S
439Rule Iran 2034 2035 - Sep 23 0:00 0 -
440Rule Iran 2036 2037 - Mar 20 0:00 1:00 S
441Rule Iran 2036 2037 - Sep 22 0:00 0 -
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442# Zone NAME GMTOFF RULES FORMAT [UNTIL]
443Zone Asia/Tehran 3:25:44 - LMT 1916
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444 3:25:44 - TMT 1946 # Tehran Mean Time
445 3:30 - IRT 1977 Nov
446 4:00 Iran IR%sT 1979
447 3:30 Iran IR%sT
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448
449# Iraq
450# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
451Rule Iraq 1982 only - May 1 0:00 1:00 D
452Rule Iraq 1982 1984 - Oct 1 0:00 0 S
453Rule Iraq 1983 only - Mar 31 0:00 1:00 D
454Rule Iraq 1984 1985 - Apr 1 0:00 1:00 D
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455Rule Iraq 1985 1990 - Sep lastSun 1:00s 0 S
456Rule Iraq 1986 1990 - Mar lastSun 1:00s 1:00 D
457# IATA SSIM (1991/1996) says Apr 1 12:01am UTC; guess the `:01' is a typo.
458Rule Iraq 1991 max - Apr 1 3:00s 1:00 D
459Rule Iraq 1991 max - Oct 1 3:00s 0 D
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460# Zone NAME GMTOFF RULES FORMAT [UNTIL]
461Zone Asia/Baghdad 2:57:40 - LMT 1890
569c558c 462 2:57:36 - BMT 1918 # Baghdad Mean Time?
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463 3:00 - AST 1982 May
464 3:00 Iraq A%sT
465
466
467###############################################################################
468
469# Israel
470
b5791037 471# From U. S. Naval Observatory (1989-01-19):
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472# ISRAEL 2 H AHEAD OF UTC
473# ISRAEL 3 H AHEAD OF UTC APR 10 - SEP 3
474
2b79b6d5 475# From Shanks (1995):
28f540f4 476# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
28f540f4
RM
477Rule Zion 1940 only - Jun 1 0:00 1:00 D
478Rule Zion 1942 1944 - Nov 1 0:00 0 S
479Rule Zion 1943 only - Apr 1 2:00 1:00 D
480Rule Zion 1944 only - Apr 1 0:00 1:00 D
481Rule Zion 1945 only - Apr 16 0:00 1:00 D
482Rule Zion 1945 only - Nov 1 2:00 0 S
483Rule Zion 1946 only - Apr 16 2:00 1:00 D
484Rule Zion 1946 only - Nov 1 0:00 0 S
485Rule Zion 1948 only - May 23 0:00 2:00 DD
486Rule Zion 1948 only - Sep 1 0:00 1:00 D
487Rule Zion 1948 1949 - Nov 1 2:00 0 S
488Rule Zion 1949 only - May 1 0:00 1:00 D
489Rule Zion 1950 only - Apr 16 0:00 1:00 D
490Rule Zion 1950 only - Sep 15 3:00 0 S
491Rule Zion 1951 only - Apr 1 0:00 1:00 D
492Rule Zion 1951 only - Nov 11 3:00 0 S
493Rule Zion 1952 only - Apr 20 2:00 1:00 D
494Rule Zion 1952 only - Oct 19 3:00 0 S
495Rule Zion 1953 only - Apr 12 2:00 1:00 D
496Rule Zion 1953 only - Sep 13 3:00 0 S
497Rule Zion 1954 only - Jun 13 0:00 1:00 D
498Rule Zion 1954 only - Sep 12 0:00 0 S
499Rule Zion 1955 only - Jun 11 2:00 1:00 D
500Rule Zion 1955 only - Sep 11 0:00 0 S
501Rule Zion 1956 only - Jun 3 0:00 1:00 D
502Rule Zion 1956 only - Sep 30 3:00 0 S
503Rule Zion 1957 only - Apr 29 2:00 1:00 D
504Rule Zion 1957 only - Sep 22 0:00 0 S
505Rule Zion 1974 only - Jul 7 0:00 1:00 D
506Rule Zion 1974 only - Oct 13 0:00 0 S
507Rule Zion 1975 only - Apr 20 0:00 1:00 D
508Rule Zion 1975 only - Aug 31 0:00 0 S
509Rule Zion 1985 only - Apr 14 0:00 1:00 D
510Rule Zion 1985 only - Sep 15 0:00 0 S
511Rule Zion 1986 only - May 18 0:00 1:00 D
512Rule Zion 1986 only - Sep 7 0:00 0 S
513Rule Zion 1987 only - Apr 15 0:00 1:00 D
514Rule Zion 1987 only - Sep 13 0:00 0 S
515Rule Zion 1988 only - Apr 9 0:00 1:00 D
516Rule Zion 1988 only - Sep 3 0:00 0 S
28f540f4 517
74015205 518# From Ephraim Silverberg <ephraim@cs.huji.ac.il>
b21c5832 519# (1997-03-04, 1998-03-16 and 1998-12-28):
4cca6b86 520
28f540f4
RM
521# According to the Office of the Secretary General of the Ministry of
522# Interior, there is NO set rule for Daylight-Savings/Standard time changes.
b21c5832
AS
523# One thing is entrenched in law, however: that there must be at least 150
524# days of daylight savings time annually. From 1993-1998, the change to
525# daylight savings time was on a Friday morning from midnight IST to
526# 1 a.m IDT; up until 1998, the change back to standard time was on a
527# Saturday night from midnight daylight savings time to 11 p.m. standard
528# time. 1996 is an exception to this rule where the change back to standard
529# time took place on Sunday night instead of Saturday night to avoid
530# conflicts with the Jewish New Year. Starting in 1999, the change to
531# daylight savings time will still be on a Friday morning but from
532# 2 a.m. IST to 3 a.m. IDT; furthermore, the change back to standard time
533# will now also be on a Friday morning from 2 a.m. IDT to 1 a.m. IST.
28f540f4 534
5929563f
UD
535# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
536Rule Zion 1989 only - Apr 30 0:00 1:00 D
537Rule Zion 1989 only - Sep 3 0:00 0 S
538Rule Zion 1990 only - Mar 25 0:00 1:00 D
539Rule Zion 1990 only - Aug 26 0:00 0 S
540Rule Zion 1991 only - Mar 24 0:00 1:00 D
541Rule Zion 1991 only - Sep 1 0:00 0 S
542Rule Zion 1992 only - Mar 29 0:00 1:00 D
543Rule Zion 1992 only - Sep 6 0:00 0 S
544Rule Zion 1993 only - Apr 2 0:00 1:00 D
545Rule Zion 1993 only - Sep 5 0:00 0 S
28f540f4 546
a5570f62
RM
547# The dates for 1994-1995 were obtained from Office of the Spokeswoman for the
548# Ministry of Interior, Jerusalem, Israel. The spokeswoman can be reached by
4cca6b86 549# calling the office directly at 972-2-6701447 or 972-2-6701448.
28f540f4 550
4cca6b86 551# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
5929563f
UD
552Rule Zion 1994 only - Apr 1 0:00 1:00 D
553Rule Zion 1994 only - Aug 28 0:00 0 S
554Rule Zion 1995 only - Mar 31 0:00 1:00 D
555Rule Zion 1995 only - Sep 3 0:00 0 S
4cca6b86
UD
556
557# The dates for 1996 were determined by the Minister of Interior of the
558# time, Haim Ramon. The official announcement regarding 1996-1998
74015205 559# (with the dates for 1997-1998 no longer being relevant) can be viewed at:
a5570f62 560#
4cca6b86 561# ftp://ftp.huji.ac.il/pub/tz/announcements/1996-1998.ramon.ps.gz
a5570f62 562#
74015205 563# The dates for 1997-1998 were altered by his successor, Rabbi Eli Suissa.
4cca6b86 564#
b9f1792a 565# The official announcements for the years 1997-1999 can be viewed at:
74015205 566#
b9f1792a 567# ftp://ftp.huji.ac.il/pub/tz/announcements/YYYY.ps.gz
ff152e3f 568#
b9f1792a 569# where YYYY is the relevant year.
4cca6b86 570
5929563f
UD
571# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
572Rule Zion 1996 only - Mar 15 0:00 1:00 D
573Rule Zion 1996 only - Sep 16 0:00 0 S
574Rule Zion 1997 only - Mar 21 0:00 1:00 D
575Rule Zion 1997 only - Sep 14 0:00 0 S
576Rule Zion 1998 only - Mar 20 0:00 1:00 D
74015205 577Rule Zion 1998 only - Sep 6 0:00 0 S
b21c5832
AS
578Rule Zion 1999 only - Apr 2 2:00 1:00 D
579Rule Zion 1999 only - Sep 3 2:00 0 S
5929563f 580
b21c5832
AS
581# Due to imminent elections in 1999, there are no dates for the year 2000
582# and beyond. There was a move to legislate the DST rules in Israel, but
583# due to the government's fall, it most likely won't be brought to the Knesset
584# for first reading before the elections and will probably be altered by the
585# newly elected government.
2b79b6d5 586
b21c5832
AS
587# From Paul Eggert (1999-01-30):
588# Here are guesses for rules after 1999.
5929563f 589# They are probably wrong, but they are more likely than no DST at all.
4cca6b86 590# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
b21c5832
AS
591Rule Zion 2000 max - Apr Fri>=1 2:00 1:00 D
592Rule Zion 2000 max - Sep Fri>=1 2:00 0 S
28f540f4
RM
593
594# Zone NAME GMTOFF RULES FORMAT [UNTIL]
01cdeca0 595Zone Asia/Jerusalem 2:20:56 - LMT 1880
569c558c 596 2:20:40 - JMT 1918 # Jerusalem Mean Time?
28f540f4
RM
597 2:00 Zion I%sT
598
599
600###############################################################################
601
602# Japan
603
604# `9:00' and `JST' is from Guy Harris.
605
3d61b63c
RM
606# From Paul Eggert <eggert@twinsun.com> (1995-03-06):
607# Today's _Asahi Evening News_ (page 4) reports that Japan had
608# daylight saving between 1948 and 1951, but ``the system was discontinued
609# because the public believed it would lead to longer working hours.''
610# Shanks writes that daylight saving in Japan during those years was as follows:
611# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
612#Rule Japan 1948 only - May Sun>=1 2:00 1:00 D
613#Rule Japan 1948 1951 - Sep Sat>=8 2:00 0 S
614#Rule Japan 1949 only - Apr Sun>=1 2:00 1:00 D
615#Rule Japan 1950 1951 - May Sun>=1 2:00 1:00 D
616# but the only locations using it were US military bases.
617# We go with Shanks and omit daylight saving in those years for Asia/Tokyo.
28f540f4 618
b21c5832
AS
619# From Hideyuki Suzuki (1998-11-09):
620# 'Tokyo' usually stands for the former location of Tokyo Astronomical
621# Observatory: E 139 44' 40".90 (9h 18m 58s.727), N 35 39' 16".0.
622# This data is from 'Rika Nenpyou (Chronological Scientific Tables) 1996'
623# edited by National Astronomical Observatory of Japan....
624# JST (Japan Standard Time) has been used since 1888-01-01 00:00 (JST).
625# The law is enacted on 1886-07-07.
626
627# From Hideyuki Suzuki (1998-11-16):
628# The ordinance No. 51 (1886) established "standard time" in Japan,
629# which stands for the time on E 135 degree.
630# In the ordinance No. 167 (1895), "standard time" was renamed to "central
631# standard time". And the same ordinance also established "western standard
632# time", which stands for the time on E 120 degree.... But "western standard
633# time" was abolished in the ordinance No. 529 (1937). In the ordinance No.
634# 167, there is no mention regarding for what place western standard time is
635# standard....
636#
637# I wrote "ordinance" above, but I don't know how to translate.
638# In Japanese it's "chokurei", which means ordinance from emperor.
639
640# Shanks claims JST in use since 1896, and that a few places (e.g. Ishigaki)
641# use +0800; go with Suzuki. Guess that all ordinances took effect on Jan 1.
642
28f540f4 643# Zone NAME GMTOFF RULES FORMAT [UNTIL]
b21c5832
AS
644Zone Asia/Tokyo 9:18:59 - LMT 1887 Dec 31 15:00u
645 9:00 - JST 1896
646 9:00 - CJT 1938
28f540f4 647 9:00 - JST
b21c5832 648# Since 1938, all Japanese possessions have been like Asia/Tokyo.
28f540f4
RM
649
650# Jordan
28f540f4 651# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
569c558c 652Rule Jordan 1973 only - Jun 6 0:00 1:00 S
28f540f4 653Rule Jordan 1973 1975 - Oct 1 0:00 0 -
569c558c 654Rule Jordan 1974 1977 - May 1 0:00 1:00 S
28f540f4
RM
655Rule Jordan 1976 only - Nov 1 0:00 0 -
656Rule Jordan 1977 only - Oct 1 0:00 0 -
569c558c 657Rule Jordan 1978 only - Apr 30 0:00 1:00 S
28f540f4 658Rule Jordan 1978 only - Sep 30 0:00 0 -
569c558c 659Rule Jordan 1985 only - Apr 1 0:00 1:00 S
28f540f4 660Rule Jordan 1985 only - Oct 1 0:00 0 -
569c558c 661Rule Jordan 1986 1988 - Apr Fri>=1 0:00 1:00 S
28f540f4 662Rule Jordan 1986 1990 - Oct Fri>=1 0:00 0 -
569c558c
UD
663Rule Jordan 1989 only - May 8 0:00 1:00 S
664Rule Jordan 1990 only - Apr 27 0:00 1:00 S
8a523922 665Rule Jordan 1991 only - Apr 17 0:00 1:00 S
28f540f4 666Rule Jordan 1991 only - Sep 27 0:00 0 -
8a523922
UD
667Rule Jordan 1992 only - Apr 10 0:00 1:00 S
668Rule Jordan 1992 1993 - Oct Fri>=1 0:00 0 -
669Rule Jordan 1993 max - Apr Fri>=1 0:00 1:00 S
670Rule Jordan 1994 only - Sep Fri>=15 0:00 0 -
671Rule Jordan 1995 max - Sep Fri>=15 0:00s 0 -
28f540f4
RM
672# Zone NAME GMTOFF RULES FORMAT [UNTIL]
673Zone Asia/Amman 2:23:44 - LMT 1931
569c558c 674 2:00 Jordan EE%sT
28f540f4
RM
675
676# Kazakhstan
8a523922 677# From Paul Eggert (1996-11-22):
dfe1754a 678# Andrew Evtichov <evti@chevron.com> (1996-04-13) writes that Kazakhstan
8a523922
UD
679# stayed in sync with Moscow after 1990, and that Aqtobe (formerly Aktyubinsk)
680# and Aqtau (formerly Shevchenko) are the largest cities in their zones.
681# Guess that Aqtau and Aqtobe diverged in 1995, since that's the first time
682# IATA SSIM mentions a third time zone in Kazakhstan.
683#
28f540f4 684# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2b79b6d5 685Zone Asia/Almaty 5:07:48 - LMT 1924 May 2 # or Alma-Ata
569c558c
UD
686 5:00 - ALMT 1957 Mar # Alma-Ata Time
687 6:00 RussiaAsia ALM%sT 1991 Mar 31 2:00s
688 5:00 1:00 ALMST 1991 Sep 29 2:00s
689 5:00 - ALMT 1992 Jan 19 2:00s
8a523922
UD
690 6:00 E-EurAsia ALM%sT
691Zone Asia/Aqtobe 3:48:40 - LMT 1924 May 2
692 4:00 - AKT 1957 Mar # Aktyubinsk Time
693 5:00 RussiaAsia AK%sT 1991 Mar 31 2:00s
694 4:00 1:00 AKTST 1991 Sep 29 2:00s
695 4:00 - AQTT 1992 Jan 19 2:00s # Aqtobe Time
696 5:00 E-EurAsia AQT%sT
697Zone Asia/Aqtau 3:21:04 - LMT 1924 May 2 # or Aktau
569c558c
UD
698 4:00 - SHET 1957 Mar # Fort Shevchenko Time
699 5:00 RussiaAsia SHE%sT 1991 Mar 31 2:00s
8a523922
UD
700 4:00 1:00 AQTST 1991 Sep 29 2:00s
701 4:00 - AQTT 1992 Jan 19 2:00s # Aqtau Time
702 5:00 E-EurAsia AQT%sT 1995 Sep lastSun
703 4:00 E-EurAsia AQT%sT
28f540f4
RM
704
705# Kirgizstan
8a523922 706# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
2b79b6d5
UD
707Rule Kirgiz 1992 1996 - Apr Sun>=7 0:00 1:00 S
708Rule Kirgiz 1991 1996 - Sep lastSun 0:00 0 -
709Rule Kirgiz 1997 max - Mar lastSun 2:30 1:00 S
710Rule Kirgiz 1997 max - Oct lastSun 2:30 0 -
28f540f4
RM
711# Zone NAME GMTOFF RULES FORMAT [UNTIL]
712Zone Asia/Bishkek 4:58:24 - LMT 1924 May 2
2b79b6d5 713 5:00 - FRUT 1930 Jun 21 # Frunze Time
569c558c
UD
714 6:00 RussiaAsia FRU%sT 1991 Mar 31 2:00s
715 5:00 1:00 FRUST 1991 Aug 31 # independence
8a523922 716 5:00 Kirgiz KG%sT # Kirgizstan Time
28f540f4
RM
717
718###############################################################################
719
ae828bc6 720# Korea (North and South)
28f540f4
RM
721
722# From Guy Harris:
723# According to someone at the Korean Times in San Francisco,
724# Daylight Savings Time was not observed until 1987. He did not know
725# at what time of day DST starts or ends.
726
2b79b6d5 727# From Shanks (1995):
28f540f4
RM
728# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
729Rule ROK 1960 only - May 15 0:00 1:00 D
730Rule ROK 1960 only - Sep 13 0:00 0 S
731Rule ROK 1987 1988 - May Sun<=14 0:00 1:00 D
732Rule ROK 1987 1988 - Oct Sun<=14 0:00 0 S
733
734# Zone NAME GMTOFF RULES FORMAT [UNTIL]
735Zone Asia/Seoul 8:27:52 - LMT 1890
736 8:30 - KST 1904 Dec
737 9:00 - KST 1928
738 8:30 - KST 1932
739 9:00 - KST 1954 Mar 21
740 8:00 ROK K%sT 1961 Aug 10
741 8:30 - KST 1968 Oct
742 9:00 ROK K%sT
743Zone Asia/Pyongyang 8:23:00 - LMT 1890
744 8:30 - KST 1904 Dec
745 9:00 - KST 1928
746 8:30 - KST 1932
747 9:00 - KST 1954 Mar 21
748 8:00 - KST 1961 Aug 10
749 9:00 - KST
750
751###############################################################################
752
753# Kuwait
754# Zone NAME GMTOFF RULES FORMAT [UNTIL]
755Zone Asia/Kuwait 3:11:56 - LMT 1950
756 3:00 - AST
757
758# Laos
759# Zone NAME GMTOFF RULES FORMAT [UNTIL]
760Zone Asia/Vientiane 6:50:24 - LMT 1906 Jun 9
569c558c 761 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT?
28f540f4
RM
762 7:00 - ICT 1912 May
763 8:00 - ICT 1931 May
764 7:00 - ICT
765
766# Lebanon
767# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
569c558c 768Rule Lebanon 1920 only - Mar 28 0:00 1:00 S
28f540f4 769Rule Lebanon 1920 only - Oct 25 0:00 0 -
569c558c 770Rule Lebanon 1921 only - Apr 3 0:00 1:00 S
28f540f4 771Rule Lebanon 1921 only - Oct 3 0:00 0 -
569c558c 772Rule Lebanon 1922 only - Mar 26 0:00 1:00 S
28f540f4 773Rule Lebanon 1922 only - Oct 8 0:00 0 -
569c558c 774Rule Lebanon 1923 only - Apr 22 0:00 1:00 S
28f540f4 775Rule Lebanon 1923 only - Sep 16 0:00 0 -
569c558c 776Rule Lebanon 1957 1961 - May 1 0:00 1:00 S
28f540f4 777Rule Lebanon 1957 1961 - Oct 1 0:00 0 -
569c558c 778Rule Lebanon 1972 only - Jun 22 0:00 1:00 S
28f540f4 779Rule Lebanon 1972 1977 - Oct 1 0:00 0 -
569c558c
UD
780Rule Lebanon 1973 1977 - May 1 0:00 1:00 S
781Rule Lebanon 1978 only - Apr 30 0:00 1:00 S
28f540f4 782Rule Lebanon 1978 only - Sep 30 0:00 0 -
569c558c 783Rule Lebanon 1984 1987 - May 1 0:00 1:00 S
8a523922 784Rule Lebanon 1984 1991 - Oct 16 0:00 0 -
569c558c
UD
785Rule Lebanon 1988 only - Jun 1 0:00 1:00 S
786Rule Lebanon 1989 only - May 10 0:00 1:00 S
8a523922
UD
787Rule Lebanon 1990 1992 - May 1 0:00 1:00 S
788Rule Lebanon 1992 only - Oct 4 0:00 0 -
789Rule Lebanon 1993 max - Mar lastSun 0:00 1:00 S
790Rule Lebanon 1993 max - Sep lastSun 0:00 0 -
28f540f4
RM
791# Zone NAME GMTOFF RULES FORMAT [UNTIL]
792Zone Asia/Beirut 2:22:00 - LMT 1880
569c558c 793 2:00 Lebanon EE%sT
28f540f4
RM
794
795# Malaysia
569c558c
UD
796# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
797Rule NBorneo 1935 1941 - Sep 14 0:00 0:20 TS
798Rule NBorneo 1935 1941 - Dec 14 0:00 0 -
28f540f4
RM
799# Zone NAME GMTOFF RULES FORMAT [UNTIL]
800Zone Asia/Kuala_Lumpur 6:46:48 - LMT 1880
569c558c
UD
801 6:55:24 - SMT 1905 Jun # Singapore Mean Time
802 7:00 - MALT 1933 # Malaya Time
803 7:20 - MALT 1942 Feb 15
28f540f4 804 9:00 - JST 1945 Sep 2
569c558c
UD
805 7:20 - MALT 1950
806 7:30 - MALT 1982 May
807 8:00 - MYT # Malaysia Time
808Zone Asia/Kuching 7:21:20 - LMT 1926 Mar
809 7:30 - BORT 1933 # Borneo Time
810 8:00 NBorneo BOR%sT 1942
811 9:00 - JST 1945 Sep 2
812 8:00 - BORT 1982 May
813 8:00 - MYT
28f540f4
RM
814
815# Maldives
816# Zone NAME GMTOFF RULES FORMAT [UNTIL]
569c558c
UD
817Zone Indian/Maldives 4:54:00 - LMT 1880 # Male
818 4:54:00 - MMT 1960 # Male Mean Time
819 5:00 - MVT # Maldives Time
28f540f4
RM
820
821# Mongolia
ae828bc6 822# Shanks says that Mongolia has three time zones, but usno1995 and the CIA map
ae828bc6 823# Standard Time Zones of the World (1997-01)
74015205 824# </a>
dfe1754a 825# both say that it has just one.
28f540f4
RM
826# Let's comment out the western and eastern Mongolian time zones
827# till we know what their principal towns are.
828# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
569c558c
UD
829Rule Mongol 1981 1984 - Apr 1 0:00 1:00 S
830Rule Mongol 1981 1984 - Oct 1 0:00 0 -
8a523922
UD
831Rule Mongol 1985 1990 - Mar lastSun 2:00 1:00 S
832Rule Mongol 1985 1990 - Sep lastSun 3:00 0 -
833Rule Mongol 1991 max - Mar lastSun 0:00 1:00 S
834Rule Mongol 1991 1995 - Sep lastSun 0:00 0 -
5929563f
UD
835Rule Mongol 1996 only - Oct Fri>=22 0:00 0 -
836Rule Mongol 1997 max - Sep lastSun 0:00 0 -
28f540f4
RM
837# Zone NAME GMTOFF RULES FORMAT [UNTIL]
838#Zone Asia/Dariv 6:14:32 - LMT 1905 Aug
569c558c
UD
839# 6:00 - DART 1978 # Dariv Time
840# 7:00 Mongol DAR%sT
28f540f4 841Zone Asia/Ulan_Bator 7:07:32 - LMT 1905 Aug
569c558c
UD
842 7:00 - ULAT 1978 # Ulan Bator Time
843 8:00 Mongol ULA%sT
28f540f4 844#Zone Asia/Baruun-Urt 7:33:00 - LMT 1905 Aug
569c558c
UD
845# 8:00 - BART 1978 # Baruun-Urt Time
846# 9:00 Mongol BAR%sT
28f540f4
RM
847
848# Nepal
849# Zone NAME GMTOFF RULES FORMAT [UNTIL]
850Zone Asia/Katmandu 5:41:16 - LMT 1920
851 5:30 - IST 1986
569c558c 852 5:45 - NPT # Nepal Time
28f540f4
RM
853
854# Oman
855# Zone NAME GMTOFF RULES FORMAT [UNTIL]
856Zone Asia/Muscat 3:54:20 - LMT 1920
857 4:00 - GST
858
859# Pakistan
860# Zone NAME GMTOFF RULES FORMAT [UNTIL]
861Zone Asia/Karachi 4:28:12 - LMT 1907
862 5:30 - IST 1942 Sep
863 5:30 1:00 IST 1945 Oct 15
864 5:30 - IST 1951 Sep 30
569c558c
UD
865 5:00 - KART 1971 Mar 26 # Karachi Time
866 5:00 - PKT # Pakistan Time
28f540f4
RM
867
868# Palestine
ae828bc6
UD
869
870# From Amos Shapir <amos@nsof.co.il> (1998-02-15):
871#
872# From 1917 until 1948-05-15, all of Palestine, including the parts now
873# known as the Gaza Strip and the West Bank, was under British rule.
874# Therefore the rules given for Israel for that period, apply there too...
875#
876# The Gaza Strip was under Egyptian rule between 1948-05-15 until 1967-06-05
877# (except a short occupation by Israel from 1956-11 till 1957-03, but no
878# time zone was affected then). It was never formally annexed to Egypt,
879# though.
880#
881# The rest of Palestine was under Jordanian rule at that time, formally
882# annexed in 1950 as the West Bank (and the word "Trans" was dropped from
883# the country's previous name of "the Hashemite Kingdom of the
884# Trans-Jordan"). So the rules for Jordan for that time apply. Major
885# towns in that area are Nablus (Shchem), El-Halil (Hebron), Ramallah, and
886# East Jerusalem.
887#
888# Both areas were occupied by Israel in June 1967, but not annexed (except
889# for East Jerusalem). They were on Israel time since then; there might
890# have been a Military Governor's order about time zones, but I'm not aware
891# of any (such orders may have been issued semi-annually whenever summer
892# time was in effect, but maybe the legal aspect of time was just neglected).
893#
894# The Palestinian Authority was established in 1993, and got hold of most
895# towns in the West Bank and Gaza by 1995. I know that in order to
896# demonstrate...independence, they have been switching to
897# summer time and back on a different schedule than Israel's, but I don't
898# know when this was started, or what algorithm is used (most likely the
899# Jordanian one).
900#
901# To summarize, the table should probably look something like that:
902#
903# Area \ when | 1918-1947 | 1948-1967 | 1967-1995 | 1996-
904# ------------+-----------+-----------+-----------+-----------
905# Israel | Zion | Zion | Zion | Zion
906# West bank | Zion | Jordan | Zion | Jordan
907# Gaza | Zion | Egypt | Zion | Jordan
908#
909# I guess more info may be available from the PA's web page (if/when they
910# have one).
911
912# From Paul Eggert (1998-02-25):
913# Shanks writes that Gaza did not observe DST until 1957, but we'll go
914# with Shapir and assume that it observed DST from 1940 through 1947,
915# and that it used Jordanian rules starting in 1996.
916# We don't yet need a separate entry for the West Bank, since
917# the only differences between it and Gaza that we know about
918# occurred before our cutoff date of 1970.
919# However, as we get more information, we may need to add entries
920# for parts of the West Bank as they transitioned from Israel's rules
921# to Palestine's rules. If you have more info about this, please
922# send it to tz@elsie.nci.nih.gov for incorporation into future editions.
923
f962d792
UD
924# From IINS News Service - Israel - 1998-03-23 10:38:07 Israel time,
925# forwarded by Ephraim Silverberg:
926#
927# Despite the fact that Israel changed over to daylight savings time
928# last week, the PLO Authority (PA) has decided not to turn its clocks
929# one-hour forward at this time. As a sign of independence from Israeli rule,
930# the PA has decided to implement DST in April.
931
28f540f4
RM
932# These rules for Egypt are stolen from the `africa' file.
933# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
569c558c 934Rule EgyptAsia 1957 only - May 10 0:00 1:00 S
dfe1754a 935Rule EgyptAsia 1957 1958 - Oct 1 0:00 0 -
569c558c 936Rule EgyptAsia 1958 only - May 1 0:00 1:00 S
8a523922 937Rule EgyptAsia 1959 1967 - May 1 1:00 1:00 S
dfe1754a 938Rule EgyptAsia 1959 1965 - Sep 30 3:00 0 -
8a523922 939Rule EgyptAsia 1966 only - Oct 1 3:00 0 -
28f540f4
RM
940# Zone NAME GMTOFF RULES FORMAT [UNTIL]
941Zone Asia/Gaza 2:17:52 - LMT 1900 Oct
ae828bc6
UD
942 2:00 Zion EET 1948 May 15
943 2:00 EgyptAsia EE%sT 1967 Jun 5
944 2:00 Zion I%sT 1996
945 2:00 Jordan EE%sT
28f540f4 946
72d8cdf0
RM
947# Paracel Is
948# no information
949
28f540f4 950# Philippines
b9f1792a 951# Howse writes that until 1844 the Philippines kept American date.
28f540f4
RM
952# The rest of this data is from Shanks.
953# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
569c558c
UD
954Rule Phil 1936 only - Nov 1 0:00 1:00 S
955Rule Phil 1937 only - Feb 1 0:00 0 -
956Rule Phil 1954 only - Apr 12 0:00 1:00 S
957Rule Phil 1954 only - Jul 1 0:00 0 -
958Rule Phil 1978 only - Mar 22 0:00 1:00 S
959Rule Phil 1978 only - Sep 21 0:00 0 -
28f540f4
RM
960# Zone NAME GMTOFF RULES FORMAT [UNTIL]
961Zone Asia/Manila -15:56:00 - LMT 1844
962 8:04:00 - LMT 1899 May 11
569c558c 963 8:00 Phil PH%sT 1942 May
28f540f4 964 9:00 - JST 1944 Nov
569c558c 965 8:00 Phil PH%sT
28f540f4
RM
966
967# Qatar
968# Zone NAME GMTOFF RULES FORMAT [UNTIL]
969Zone Asia/Qatar 3:26:08 - LMT 1920 # Al Dawhah
970 4:00 - GST 1972 Jun
971 3:00 - AST
972
973# Saudi Arabia
974# Zone NAME GMTOFF RULES FORMAT [UNTIL]
975Zone Asia/Riyadh 3:06:52 - LMT 1950
976 3:00 - AST
977
978# Singapore
979# Zone NAME GMTOFF RULES FORMAT [UNTIL]
980Zone Asia/Singapore 6:55:24 - LMT 1880
569c558c
UD
981 6:55:24 - SMT 1905 Jun # Singapore Mean Time
982 7:00 - MALT 1933 # Malaya Time
983 7:20 - MALT 1942 Feb 15
28f540f4 984 9:00 - JST 1945 Sep 2
569c558c
UD
985 7:20 - MALT 1950
986 7:30 - MALT 1965 Aug 9 # independence
987 7:30 - SGT 1982 May # Singapore Time
28f540f4
RM
988 8:00 - SGT
989
72d8cdf0
RM
990# Spratly Is
991# no information
992
28f540f4 993# Sri Lanka
569c558c 994# From Paul Eggert (1996-09-03):
74015205 995# <a href="http://www.virtual-pc.com/lankaweb/news/items/240596-2.html">
ae828bc6 996# Sri Lanka advances clock by an hour to avoid blackout (1996-05-24)
74015205 997# </a>
569c558c
UD
998# reported ``the country's standard time will be put forward by one hour at
999# midnight Friday (1830 GMT) `in the light of the present power crisis'.''
2b79b6d5 1000# Transitions before 1996 are from Shanks (1995).
5929563f
UD
1001#
1002# From Dharmasiri Senanayake, Sri Lanka Media Minister (1996-10-24), as quoted
ae828bc6 1003# by Shamindra in
74015205 1004# <a href="news:54rka5$m5h@mtinsc01-mgt.ops.worldnet.att.net">
ae828bc6
UD
1005# Daily News - Hot News Section (1996-10-26)
1006# </a>:
5929563f
UD
1007# With effect from 12.30 a.m. on 26th October 1996
1008# Sri Lanka will be six (06) hours ahead of GMT.
569c558c 1009
28f540f4
RM
1010# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1011Zone Asia/Colombo 5:19:24 - LMT 1880
2b79b6d5 1012 5:19:32 - MMT 1906 # Moratuwa Mean Time
28f540f4
RM
1013 5:30 - IST 1942 Jan 5
1014 5:30 0:30 IHST 1942 Sep
1015 5:30 1:00 IST 1945 Oct 16 2:00
569c558c 1016 5:30 - IST 1996 May 25 0:00
5929563f
UD
1017 6:30 - LKT 1996 Oct 26 0:30
1018 6:00 - LKT
28f540f4
RM
1019
1020# Syria
1021# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
569c558c 1022Rule Syria 1920 1923 - Apr Sun>=15 2:00 1:00 S
28f540f4 1023Rule Syria 1920 1923 - Oct Sun>=1 2:00 0 -
569c558c 1024Rule Syria 1962 only - Apr 29 2:00 1:00 S
28f540f4 1025Rule Syria 1962 only - Oct 1 2:00 0 -
569c558c 1026Rule Syria 1963 1965 - May 1 2:00 1:00 S
28f540f4
RM
1027Rule Syria 1963 only - Sep 30 2:00 0 -
1028Rule Syria 1964 only - Oct 1 2:00 0 -
1029Rule Syria 1965 only - Sep 30 2:00 0 -
569c558c 1030Rule Syria 1966 only - Apr 24 2:00 1:00 S
28f540f4 1031Rule Syria 1966 1976 - Oct 1 2:00 0 -
569c558c 1032Rule Syria 1967 1978 - May 1 2:00 1:00 S
28f540f4 1033Rule Syria 1977 1978 - Sep 1 2:00 0 -
569c558c 1034Rule Syria 1983 1984 - Apr 9 2:00 1:00 S
28f540f4 1035Rule Syria 1983 1984 - Oct 1 2:00 0 -
569c558c 1036Rule Syria 1986 only - Feb 16 2:00 1:00 S
28f540f4 1037Rule Syria 1986 only - Oct 9 2:00 0 -
569c558c 1038Rule Syria 1987 only - Mar 1 2:00 1:00 S
28f540f4 1039Rule Syria 1987 1988 - Oct 31 2:00 0 -
569c558c
UD
1040Rule Syria 1988 only - Mar 15 2:00 1:00 S
1041Rule Syria 1989 only - Mar 31 2:00 1:00 S
28f540f4 1042Rule Syria 1989 only - Oct 1 2:00 0 -
8a523922
UD
1043Rule Syria 1990 only - Apr 1 2:00 1:00 S
1044Rule Syria 1990 only - Sep 30 2:00 0 -
1045Rule Syria 1991 only - Apr 1 0:00 1:00 S
1046Rule Syria 1991 1992 - Oct 1 0:00 0 -
1047Rule Syria 1992 only - Apr 8 0:00 1:00 S
1048Rule Syria 1993 only - Mar 26 0:00 1:00 S
1049Rule Syria 1993 only - Sep 25 0:00 0 -
b21c5832
AS
1050# IATA SSIM (1996-09) says 1997-03-31; (1998-02) says 1998-04-02;
1051# (1998-09) says 1999-03-29 and 1999-09-29; ignore all these claims for now.
8a523922
UD
1052Rule Syria 1994 max - Apr 1 0:00 1:00 S
1053Rule Syria 1994 max - Oct 1 0:00 0 -
28f540f4
RM
1054# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1055Zone Asia/Damascus 2:25:12 - LMT 1920
569c558c 1056 2:00 Syria EE%sT
28f540f4
RM
1057
1058# Tajikistan
2b79b6d5 1059# From Shanks (1995), who writes ``date of change uncertain'' for 1991.
28f540f4
RM
1060# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1061Zone Asia/Dushanbe 4:35:12 - LMT 1924 May 2
2b79b6d5 1062 5:00 - DUST 1930 Jun 21 # Dushanbe Time
569c558c
UD
1063 6:00 RussiaAsia DUS%sT 1991 Mar 31 2:00s
1064 5:00 1:00 DUSST 1991 Sep 9 # independence
1065 5:00 RussiaAsia TJ%sT 1992
1066 5:00 - TJT # Tajikistan Time
28f540f4
RM
1067
1068# Thailand
1069# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1070Zone Asia/Bangkok 6:42:04 - LMT 1880
569c558c 1071 6:42:04 - BMT 1920 Apr # Bangkok Mean Time
28f540f4
RM
1072 7:00 - ICT
1073
1074# Turkmenistan
2b79b6d5 1075# From Shanks (1995):
28f540f4 1076# Zone NAME GMTOFF RULES FORMAT [UNTIL]
569c558c 1077Zone Asia/Ashkhabad 3:53:32 - LMT 1924 May 2 # or Ashgabat
2b79b6d5
UD
1078 4:00 - ASHT 1930 Jun 21 # Ashkhabad Time
1079 5:00 - ASHT 1981 Apr 1
1080 5:00 1:00 ASHST 1981 Oct 1
1081 6:00 - ASHT 1982 Apr 1
1082 5:00 RussiaAsia ASH%sT 1991
1083 5:00 - ASHT 1991 Oct 27 # independence
1084 5:00 RussiaAsia TM%sT 1993 # Turkmenistan Time
1085 5:00 - TMT
28f540f4
RM
1086
1087# United Arab Emirates
1088# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1089Zone Asia/Dubai 3:41:12 - LMT 1920
1090 4:00 - GST
1091
1092# Uzbekistan
2b79b6d5 1093# From Shanks (1995):
28f540f4 1094# Zone NAME GMTOFF RULES FORMAT [UNTIL]
2b79b6d5
UD
1095Zone Asia/Samarkand 4:27:12 - LMT 1924 May 2
1096 4:00 - SAMT 1930 Jun 21 # Samarkand Time
1097 5:00 - SAMT 1981 Apr 1
1098 5:00 1:00 SAMST 1981 Oct 1
1099 6:00 RussiaAsia TAS%sT 1991 Mar 31 2:00 # Tashkent Time
1100 5:00 - TAST 1991 Sep 1 # independence
1101 5:00 - UZT 1992
1102 5:00 RussiaAsia UZ%sT 1993
1103 5:00 - UZT
28f540f4 1104Zone Asia/Tashkent 4:37:12 - LMT 1924 May 2
2b79b6d5 1105 5:00 - TAST 1930 Jun 21 # Tashkent Time
569c558c 1106 6:00 RussiaAsia TAS%sT 1991 Mar 31 2:00s
2b79b6d5
UD
1107 5:00 - TAST 1991 Sep 1 # independence
1108 5:00 - UZT 1992
1109 5:00 RussiaAsia UZ%sT 1993
1110 5:00 - UZT
28f540f4
RM
1111
1112# Vietnam
b5791037 1113# From Paul Eggert <eggert@twinsun.com> (1993-11-18):
28f540f4
RM
1114# Saigon's official name is Thanh-Pho Ho Chi Minh, but it's too long.
1115# We'll stick with the traditional name for now.
1116# From Shanks (1991):
1117# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1118Zone Asia/Saigon 7:06:40 - LMT 1906 Jun 9
569c558c 1119 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT?
28f540f4
RM
1120 7:00 - ICT 1912 May
1121 8:00 - ICT 1931 May
1122 7:00 - ICT
1123
1124# Yemen
1125# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1126Zone Asia/Aden 3:00:48 - LMT 1950
1127 3:00 - AST