diff options
Diffstat (limited to 'timezone/asia')
| -rw-r--r-- | timezone/asia | 315 |
1 files changed, 215 insertions, 100 deletions
diff --git a/timezone/asia b/timezone/asia index 446cc16..04ddc86 100644 --- a/timezone/asia +++ b/timezone/asia @@ -1,15 +1,15 @@ -# @(#)asia 8.1 +# @(#)asia 8.8 # <pre> # This data is by no means authoritative; if you think you know better, # go ahead and edit the file (and please send any changes to # tz@elsie.nci.nih.gov for general use in the future). -# From Paul Eggert (1999-03-22): +# From Paul Eggert (2006-03-22): # # A good source for time zone historical data outside the U.S. is -# Thomas G. Shanks, The International Atlas (5th edition), -# San Diego: ACS Publications, Inc. (1999). +# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition), +# San Diego: ACS Publications, Inc. (2003). # # Gwillim Law writes that a good source # for recent time zone data is the International Air Transport @@ -17,8 +17,8 @@ # published semiannually. Law sent in several helpful summaries # of the IATA's data after 1990. # -# Except where otherwise noted, Shanks is the source for entries through 1990, -# and IATA SSIM is the source for entries after 1990. +# Except where otherwise noted, Shanks & Pottenger is the source for +# entries through 1990, and IATA SSIM is the source for entries afterwards. # # Another source occasionally used is Edward W. Whitman, World Time Differences, # Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which @@ -61,6 +61,7 @@ # These rules are stolen from the `europe' file. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule EUAsia 1981 max - Mar lastSun 1:00u 1:00 S +Rule EUAsia 1979 1995 - Sep lastSun 1:00u 0 - Rule EUAsia 1996 max - Oct lastSun 1:00u 0 - Rule E-EurAsia 1981 max - Mar lastSun 0:00 1:00 S Rule E-EurAsia 1979 1995 - Sep lastSun 0:00 0 - @@ -82,10 +83,11 @@ Zone Asia/Kabul 4:36:48 - LMT 1890 4:30 - AFT # Armenia -# From Paul Eggert (1999-10-29): -# Shanks has Yerevan switching to 3:00 (with Russian DST) in spring 1991, -# then to 4:00 with no DST in fall 1995, then readopting Russian DST in 1997. -# Go with Shanks, even when he disagrees with others. Edgar Der-Danieliantz +# From Paul Eggert (2006-03-22): +# Shanks & Pottenger have Yerevan switching to 3:00 (with Russian DST) +# in spring 1991, then to 4:00 with no DST in fall 1995, then +# readopting Russian DST in 1997. Go with Shanks & Pottenger, even +# when they disagree with others. Edgar Der-Danieliantz # reported (1996-05-04) that Yerevan probably wouldn't use DST # in 1996, though it did use DST in 1995. IATA SSIM (1991/1998) reports that # Armenia switched from 3:00 to 4:00 in 1998 and observed DST after 1991, @@ -194,13 +196,15 @@ Zone Asia/Phnom_Penh 6:59:40 - LMT 1906 Jun 9 # CHINA 8 H AHEAD OF UTC ALL OF CHINA, INCL TAIWAN # CHINA 9 H AHEAD OF UTC APR 17 - SEP 10 -# From Paul Eggert (1995-12-19): -# Shanks writes that China has had a single time zone since 1980 May 1, -# observing summer DST from 1986 through 1991; this contradicts Devine's +# From Paul Eggert (2006-03-22): +# Shanks & Pottenger write that China (except for Hong Kong and Macau) +# has had a single time zone since 1980 May 1, observing summer DST +# from 1986 through 1991; this contradicts Devine's # note about Time magazine, though apparently _something_ happened in 1986. -# Go with Shanks for now. I made up names for the other pre-1980 time zones. +# Go with Shanks & Pottenger for now. I made up names for the other +# pre-1980 time zones. -# From Shanks: +# From Shanks & Pottenger: # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Shang 1940 only - Jun 3 0:00 1:00 D Rule Shang 1940 1941 - Oct 1 0:00 0 S @@ -208,14 +212,27 @@ Rule Shang 1941 only - Mar 16 0:00 1:00 D Rule PRC 1986 only - May 4 0:00 1:00 D Rule PRC 1986 1991 - Sep Sun>=11 0:00 0 S Rule PRC 1987 1991 - Apr Sun>=10 0:00 1:00 D -# -# Zone NAME GMTOFF RULES FORMAT [UNTIL] -# + # From Anthony Fok (2001-12-20): # BTW, I did some research on-line and found some info regarding these five # historic timezones from some Taiwan websites. And yes, there are official -# Chinese names for these locales (before 1949): +# Chinese names for these locales (before 1949). +# +# From Jesper Norgaard Welen (2006-07-14): +# I have investigated the timezones around 1970 on the +# http://www.astro.com/atlas site [with provinces and county +# boundaries summarized below].... A few other exceptions were two +# counties on the Sichuan side of the Xizang-Sichuan border, +# counties Dege and Baiyu which lies on the Sichuan side and are +# therefore supposed to be GMT+7, Xizang region being GMT+6, but Dege +# county is GMT+8 according to astro.com while Baiyu county is GMT+6 +# (could be true), for the moment I am assuming that those two +# counties are mistakes in the astro.com data. + + +# Zone NAME GMTOFF RULES FORMAT [UNTIL] # Changbai Time ("Long-white Time", Long-white = Heilongjiang area) +# Heilongjiang (except Mohe county), Jilin Zone Asia/Harbin 8:26:44 - LMT 1928 # or Haerbin 8:30 - CHAT 1932 Mar # Changbai Time 8:00 - CST 1940 @@ -223,18 +240,35 @@ Zone Asia/Harbin 8:26:44 - LMT 1928 # or Haerbin 8:30 - CHAT 1980 May 8:00 PRC C%sT # Zhongyuan Time ("Central plain Time") +# most of China Zone Asia/Shanghai 8:05:52 - LMT 1928 8:00 Shang C%sT 1949 8:00 PRC C%sT # Long-shu Time (probably due to Long and Shu being two names of that area) +# Guangxi, Guizhou, Hainan, Ningxia, Sichuan, Shaanxi, and Yunnan; +# most of Gansu; west Inner Mongolia; west Qinghai; and the Guangdong +# counties Deqing, Enping, Kaiping, Luoding, Taishan, Xinxing, +# Yangchun, Yangjiang, Yu'nan, and Yunfu. Zone Asia/Chongqing 7:06:20 - LMT 1928 # or Chungking 7:00 - LONT 1980 May # Long-shu Time 8:00 PRC C%sT # Xin-zang Time ("Xinjiang-Tibet Time") +# The Gansu counties Aksay, Anxi, Dunhuang, Subei; west Qinghai; +# the Guangdong counties Xuwen, Haikang, Suixi, Lianjiang, +# Zhanjiang, Wuchuan, Huazhou, Gaozhou, Maoming, Dianbai, and Xinyi; +# east Tibet, including Lhasa, Chamdo, Shigaise, Jimsar, Shawan and Hutubi; +# east Xinjiang, including Urumqi, Turpan, Karamay, Korla, Minfeng, Jinghe, +# Wusu, Qiemo, Xinyan, Wulanwusu, Jinghe, Yumin, Tacheng, Tuoli, Emin, +# Shihezi, Changji, Yanqi, Heshuo, Tuokexun, Tulufan, Shanshan, Hami, +# Fukang, Kuitun, Kumukuli, Miquan, Qitai, and Turfan. Zone Asia/Urumqi 5:50:20 - LMT 1928 # or Urumchi 6:00 - URUT 1980 May # Urumqi Time 8:00 PRC C%sT # Kunlun Time +# West Tibet, including Pulan, Aheqi, Shufu, Shule; +# West Xinjiang, including Aksu, Atushi, Yining, Hetian, Cele, Luopu, Nileke, +# Zhaosu, Tekesi, Gongliu, Chabuchaer, Huocheng, Bole, Pishan, Suiding, +# and Yarkand. Zone Asia/Kashgar 5:03:56 - LMT 1928 # or Kashi or Kaxgar 5:30 - KAST 1940 # Kashgar Time 5:00 - KAST 1980 May @@ -266,7 +300,7 @@ Zone Asia/Hong_Kong 7:36:36 - LMT 1904 Oct 30 # Taiwan -# Shanks writes that Taiwan observed DST during 1945, when it +# Shanks & Pottenger write that Taiwan observed DST during 1945, when it # was still controlled by Japan. This is hard to believe, but we don't # have any other information. @@ -423,7 +457,7 @@ Zone Asia/Calcutta 5:53:28 - LMT 1880 # Kolkata # Indonesia # -# From Gwillim Law (2001-05-28), overriding Shanks: +# From Gwillim Law (2001-05-28), overriding Shanks & Pottenger: # <http://www.sumatera-inc.com/go_to_invest/about_indonesia.asp#standtime> # says that Indonesia's time zones changed on 1988-01-01. Looking at some # time zone maps, I think that must refer to Western Borneo (Kalimantan Barat @@ -431,7 +465,7 @@ Zone Asia/Calcutta 5:53:28 - LMT 1880 # Kolkata # # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Jakarta 7:07:12 - LMT 1867 Aug 10 -# Shanks says the next transition was at 1924 Jan 1 0:13, +# Shanks & Pottenger say the next transition was at 1924 Jan 1 0:13, # but this must be a typo. 7:07:12 - JMT 1923 Dec 31 23:47:12 # Jakarta 7:20 - JAVT 1932 Nov # Java Time @@ -498,8 +532,8 @@ Zone Asia/Jayapura 9:22:48 - LMT 1932 Nov # leap year calculation involved. There has never been any serious # plan to change that law.... # -# From Paul Eggert (2005-04-05): -# Go with Shanks before September 1991, and with Pournader thereafter. +# From Paul Eggert (2006-03-22): +# Go with Shanks & Pottenger before Sept. 1991, and with Pournader thereafter. # I used Ed Reingold's cal-persia in GNU Emacs 21.2 to check Persian dates, # stopping after 2037 when 32-bit time_t's overflow. # That cal-persia used Birashk's approximation, which disagrees with the solar @@ -519,6 +553,14 @@ Zone Asia/Jayapura 9:22:48 - LMT 1932 Nov # Reingold's/Dershowitz' calculator gives correctly the Gregorian date # 2058-03-21 for 1 Farvardin 1437 (astronomical). # +# From Paul Eggert (2006-03-22): +# The above comments about post-2006 transitions may become relevant again, +# if Iran ever resuscitates DST, so we'll leave the comments in. +# +# From Steffen Thorsen (2006-03-22): +# Several of my users have reported that Iran will not observe DST anymore: +# http://www.irna.ir/en/news/view/line-17/0603193812164948.htm +# # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Iran 1978 1980 - Mar 21 0:00 1:00 D Rule Iran 1978 only - Oct 21 0:00 0 S @@ -537,38 +579,8 @@ Rule Iran 2001 2003 - Mar 22 0:00 1:00 D Rule Iran 2001 2003 - Sep 22 0:00 0 S Rule Iran 2004 only - Mar 21 0:00 1:00 D Rule Iran 2004 only - Sep 21 0:00 0 S -Rule Iran 2005 2007 - Mar 22 0:00 1:00 D -Rule Iran 2005 2007 - Sep 22 0:00 0 S -Rule Iran 2008 only - Mar 21 0:00 1:00 D -Rule Iran 2008 only - Sep 21 0:00 0 S -Rule Iran 2009 2011 - Mar 22 0:00 1:00 D -Rule Iran 2009 2011 - Sep 22 0:00 0 S -Rule Iran 2012 only - Mar 21 0:00 1:00 D -Rule Iran 2012 only - Sep 21 0:00 0 S -Rule Iran 2013 2015 - Mar 22 0:00 1:00 D -Rule Iran 2013 2015 - Sep 22 0:00 0 S -Rule Iran 2016 only - Mar 21 0:00 1:00 D -Rule Iran 2016 only - Sep 21 0:00 0 S -Rule Iran 2017 2019 - Mar 22 0:00 1:00 D -Rule Iran 2017 2019 - Sep 22 0:00 0 S -Rule Iran 2020 only - Mar 21 0:00 1:00 D -Rule Iran 2020 only - Sep 21 0:00 0 S -Rule Iran 2021 2023 - Mar 22 0:00 1:00 D -Rule Iran 2021 2023 - Sep 22 0:00 0 S -Rule Iran 2024 only - Mar 21 0:00 1:00 D -Rule Iran 2024 only - Sep 21 0:00 0 S -Rule Iran 2025 2027 - Mar 22 0:00 1:00 D -Rule Iran 2025 2027 - Sep 22 0:00 0 S -Rule Iran 2028 2029 - Mar 21 0:00 1:00 D -Rule Iran 2028 2029 - Sep 21 0:00 0 S -Rule Iran 2030 2031 - Mar 22 0:00 1:00 D -Rule Iran 2030 2031 - Sep 22 0:00 0 S -Rule Iran 2032 2033 - Mar 21 0:00 1:00 D -Rule Iran 2032 2033 - Sep 21 0:00 0 S -Rule Iran 2034 2035 - Mar 22 0:00 1:00 D -Rule Iran 2034 2035 - Sep 22 0:00 0 S -Rule Iran 2036 2037 - Mar 21 0:00 1:00 D -Rule Iran 2036 2037 - Sep 21 0:00 0 S +Rule Iran 2005 only - Mar 22 0:00 1:00 D +Rule Iran 2005 only - Sep 22 0:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Tehran 3:25:44 - LMT 1916 3:25:44 - TMT 1946 # Tehran Mean Time @@ -601,7 +613,8 @@ Rule Iraq 1984 1985 - Apr 1 0:00 1:00 D Rule Iraq 1985 1990 - Sep lastSun 1:00s 0 S Rule Iraq 1986 1990 - Mar lastSun 1:00s 1:00 D # IATA SSIM (1991/1996) says Apr 1 12:01am UTC; guess the `:01' is a typo. -# Shanks says Iraq did not observe DST 1992/1997 or 1999 on; ignore this. +# Shanks & Pottenger say Iraq did not observe DST 1992/1997; ignore this. +# Rule Iraq 1991 max - Apr 1 3:00s 1:00 D Rule Iraq 1991 max - Oct 1 3:00s 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -635,7 +648,7 @@ Zone Asia/Baghdad 2:57:40 - LMT 1890 # high on my favorite-country list (and not only because my wife's # family is from India). -# From Shanks: +# From Shanks & Pottenger: # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Zion 1940 only - Jun 1 0:00 1:00 D Rule Zion 1942 1944 - Nov 1 0:00 0 S @@ -874,14 +887,15 @@ Zone Asia/Jerusalem 2:20:56 - LMT 1880 # of the Japanese wanted to scrap daylight-saving time, as opposed to 30% who # wanted to keep it.) -# Shanks writes that daylight saving in Japan during those years was as follows: +# From Paul Eggert (2006-03-22): +# Shanks & Pottenger write that DST in Japan during those years was as follows: # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Japan 1948 only - May Sun>=1 2:00 1:00 D Rule Japan 1948 1951 - Sep Sat>=8 2:00 0 S Rule Japan 1949 only - Apr Sun>=1 2:00 1:00 D Rule Japan 1950 1951 - May Sun>=1 2:00 1:00 D # but the only locations using it (for birth certificates, presumably, since -# Shanks's audience is astrologers) were US military bases. For now, assume +# their audience is astrologers) were US military bases. For now, assume # that for most purposes daylight-saving time was observed; otherwise, what # would have been the point of the 1951 poll? @@ -906,8 +920,9 @@ Rule Japan 1950 1951 - May Sun>=1 2:00 1:00 D # I wrote "ordinance" above, but I don't know how to translate. # In Japanese it's "chokurei", which means ordinance from emperor. -# Shanks claims JST in use since 1896, and that a few places (e.g. Ishigaki) -# use +0800; go with Suzuki. Guess that all ordinances took effect on Jan 1. +# Shanks & Pottenger claim JST in use since 1896, and that a few +# places (e.g. Ishigaki) use +0800; go with Suzuki. Guess that all +# ordinances took effect on Jan 1. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Tokyo 9:18:59 - LMT 1887 Dec 31 15:00u @@ -938,6 +953,10 @@ Zone Asia/Tokyo 9:18:59 - LMT 1887 Dec 31 15:00u # For Jordan I have received multiple independent user reports every year # about DST end dates, as the end-rule is different every year. # +# From Steffen Thorsen (2006-10-01), after a heads-up from Hilal Malawi: +# http://www.petranews.gov.jo/nepras/2006/Sep/05/4000.htm +# "Jordan will switch to winter time on Friday, October 27". +# # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Jordan 1973 only - Jun 6 0:00 1:00 S Rule Jordan 1973 1975 - Oct 1 0:00 0 - @@ -964,7 +983,8 @@ Rule Jordan 1999 2002 - Sep lastThu 0:00s 0 - Rule Jordan 2000 max - Mar lastThu 0:00s 1:00 S Rule Jordan 2003 only - Oct 24 0:00s 0 - Rule Jordan 2004 only - Oct 15 0:00s 0 - -Rule Jordan 2005 max - Sep lastFri 0:00s 0 - +Rule Jordan 2005 only - Sep lastFri 0:00s 0 - +Rule Jordan 2006 max - Oct lastFri 0:00s 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Amman 2:23:44 - LMT 1931 2:00 Jordan EE%sT @@ -979,11 +999,11 @@ Zone Asia/Amman 2:23:44 - LMT 1931 # Guess that Aqtau and Aqtobe diverged in 1995, since that's the first time # IATA SSIM mentions a third time zone in Kazakhstan. -# From Paul Eggert (2001-10-18): +# From Paul Eggert (2006-03-22): # German Iofis, ELSI, Almaty (2001-10-09) reports that Kazakhstan uses # RussiaAsia rules, instead of switching at 00:00 as the IATA has it. -# Go with Shanks, who has them always using RussiaAsia rules. -# Also go with the following claims of Shanks: +# Go with Shanks & Pottenger, who have them always using RussiaAsia rules. +# Also go with the following claims of Shanks & Pottenger: # # - Kazakhstan did not observe DST in 1991. # - Qyzylorda switched from +5:00 to +6:00 on 1992-01-19 02:00. @@ -1063,7 +1083,7 @@ Zone Asia/Oral 3:25:24 - LMT 1924 May 2 # or Ural'sk 5:00 - ORAT # Kyrgyzstan (Kirgizstan) -# Transitions through 1991 are from Shanks. +# Transitions through 1991 are from Shanks & Pottenger. # From Paul Eggert (2005-08-15): # According to an article dated today in the Kyrgyzstan Development Gateway @@ -1091,17 +1111,19 @@ Zone Asia/Bishkek 4:58:24 - LMT 1924 May 2 # Korea (North and South) -# From Guy Harris: -# According to someone at the Korean Times in San Francisco, -# Daylight Savings Time was not observed until 1987. He did not know -# at what time of day DST starts or ends. +# From Annie I. Bang (2006-07-10) in +# <http://www.koreaherald.co.kr/SITE/data/html_dir/2006/07/10/200607100012.asp>: +# The Ministry of Commerce, Industry and Energy has already +# commissioned a research project [to reintroduce DST] and has said +# the system may begin as early as 2008.... Korea ran a daylight +# saving program from 1949-61 but stopped it during the 1950-53 Korean War. -# From Shanks: +# From Shanks & Pottenger: # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule ROK 1960 only - May 15 0:00 1:00 D Rule ROK 1960 only - Sep 13 0:00 0 S -Rule ROK 1987 1988 - May Sun<=14 0:00 1:00 D -Rule ROK 1987 1988 - Oct Sun<=14 0:00 0 S +Rule ROK 1987 1988 - May Sun>=8 0:00 1:00 D +Rule ROK 1987 1988 - Oct Sun>=8 0:00 0 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Seoul 8:27:52 - LMT 1890 @@ -1184,8 +1206,8 @@ Zone Asia/Kuala_Lumpur 6:46:46 - LMT 1901 Jan 1 7:30 - MALT 1982 Jan 1 8:00 - MYT # Malaysia Time # Sabah & Sarawak -# From Paul Eggert (2003-11-01): -# The data here are mostly from Shanks, but the 1942, 1945 and 1982 +# From Paul Eggert (2006-03-22): +# The data here are mostly from Shanks & Pottenger, but the 1942, 1945 and 1982 # transition dates are from Mok Ly Yng. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Kuching 7:21:20 - LMT 1926 Mar @@ -1203,8 +1225,8 @@ Zone Indian/Maldives 4:54:00 - LMT 1880 # Male # Mongolia -# Shanks says that Mongolia has three time zones, but usno1995 and the CIA map -# Standard Time Zones of the World (1997-01) +# Shanks & Pottenger say that Mongolia has three time zones, but +# usno1995 and the CIA map Standard Time Zones of the World (2005-03) # both say that it has just one. # From Oscar van Vlijmen (1999-12-11): @@ -1274,11 +1296,19 @@ Zone Indian/Maldives 4:54:00 - LMT 1880 # Male # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Mongol 1983 1984 - Apr 1 0:00 1:00 S Rule Mongol 1983 only - Oct 1 0:00 0 - -# IATA SSIM says 1990s switches occurred at 00:00, but Shanks (1995) lists -# them at 02:00s, and McDow says the 2001 switches also occurred at 02:00. -# Also, IATA SSIM (1996-09) says 1996-10-25. Go with Shanks through 1998. -Rule Mongol 1985 1998 - Mar lastSun 2:00s 1:00 S -Rule Mongol 1984 1998 - Sep lastSun 2:00s 0 - +# Shanks & Pottenger and IATA SSIM say 1990s switches occurred at 00:00, +# but McDow says the 2001 switches occurred at 02:00. Also, IATA SSIM +# (1996-09) says 1996-10-25. Go with Shanks & Pottenger through 1998. +# +# Shanks & Pottenger say that the Sept. 1984 through Sept. 1990 switches +# in Choibalsan (more precisely, in Dornod and Sukhbaatar) took place +# at 02:00 standard time, not at 00:00 local time as in the rest of +# the country. That would be odd, and possibly is a result of their +# correction of 02:00 (in the previous edition) not being done correctly +# in the latest edition; so ignore it for now. + +Rule Mongol 1985 1998 - Mar lastSun 0:00 1:00 S +Rule Mongol 1984 1998 - Sep lastSun 0:00 0 - # IATA SSIM (1999-09) says Mongolia no longer observes DST. Rule Mongol 2001 only - Apr lastSat 2:00 1:00 S Rule Mongol 2001 max - Sep lastSat 2:00 0 - @@ -1404,8 +1434,8 @@ Zone Asia/Karachi 4:28:12 - LMT 1907 # I guess more info may be available from the PA's web page (if/when they # have one). -# From Paul Eggert (1998-02-25): -# Shanks writes that Gaza did not observe DST until 1957, but we'll go +# From Paul Eggert (2006-03-22): +# Shanks & Pottenger write that Gaza did not observe DST until 1957, but go # with Shapir and assume that it observed DST from 1940 through 1947, # and that it used Jordanian rules starting in 1996. # We don't yet need a separate entry for the West Bank, since @@ -1443,6 +1473,23 @@ Zone Asia/Karachi 4:28:12 - LMT 1907 # there is a good chance next year's end date will be around two weeks # earlier--the same goes for Jordan. +# From Steffen Thorsen (2006-08-17): +# I was informed by a user in Bethlehem that in Bethlehem it started the +# same day as Israel, and after checking with other users in the area, I +# was informed that they started DST one day after Israel. I was not +# able to find any authoritative sources at the time, nor details if +# Gaza changed as well, but presumed Gaza to follow the same rules as +# the West Bank. + +# From Steffen Thorsen (2006-09-26): +# according to the Palestine News Network (2006-09-19): +# http://english.pnn.ps/index.php?option=com_content&task=view&id=596&Itemid=5 +# > The Council of Ministers announced that this year its winter schedule +# > will begin early, as of midnight Thursday. It is also time to turn +# > back the clocks for winter. Friday will begin an hour late this week. +# I guess it is likely that next year's date will be moved as well, +# because of the Ramadan. + # The rules for Egypt are stolen from the `africa' file. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule EgyptAsia 1957 only - May 10 0:00 1:00 S @@ -1452,10 +1499,13 @@ Rule EgyptAsia 1959 1967 - May 1 1:00 1:00 S Rule EgyptAsia 1959 1965 - Sep 30 3:00 0 - Rule EgyptAsia 1966 only - Oct 1 3:00 0 - -Rule Palestine 1999 max - Apr Fri>=15 0:00 1:00 S +Rule Palestine 1999 2005 - Apr Fri>=15 0:00 1:00 S Rule Palestine 1999 2003 - Oct Fri>=15 0:00 0 - Rule Palestine 2004 only - Oct 1 1:00 0 - -Rule Palestine 2005 max - Oct 4 2:00 0 - +Rule Palestine 2005 only - Oct 4 2:00 0 - +Rule Palestine 2006 max - Apr 1 0:00 1:00 S +Rule Palestine 2006 only - Sep 22 0:00 0 - +Rule Palestine 2007 max - Oct Fri>=15 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Gaza 2:17:52 - LMT 1900 Oct @@ -1473,7 +1523,21 @@ Zone Asia/Gaza 2:17:52 - LMT 1900 Oct # Philippines, issued a proclamation announcing that 1844-12-30 was to # be immediately followed by 1845-01-01. Robert H. van Gent has a # transcript of the decree in <http://www.phys.uu.nl/~vgent/idl/idl.htm>. -# The rest of this data is from Shanks. +# The rest of the data are from Shanks & Pottenger. + +# From Paul Eggert (2006-04-25): +# Tomorrow's Manila Standard reports that the Philippines Department of +# Trade and Industry is considering adopting DST this June when the +# rainy season begins. See +# <http://www.manilastandardtoday.com/?page=politics02_april26_2006>. +# For now, we'll ignore this, since it's not definite and we lack details. +# +# From Jesper Norgaard Welen (2006-04-26): +# ... claims that Philippines had DST last time in 1990: +# http://story.philippinetimes.com/p.x/ct/9/id/145be20cc6b121c0/cid/3e5bbccc730d258c/ +# [a story dated 2006-04-25 by Cris Larano of Dow Jones Newswires, +# but no details] + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Phil 1936 only - Nov 1 0:00 1:00 S Rule Phil 1937 only - Feb 1 0:00 0 - @@ -1533,6 +1597,49 @@ Zone Asia/Singapore 6:55:25 - LMT 1901 Jan 1 # With effect from 12.30 a.m. on 26th October 1996 # Sri Lanka will be six (06) hours ahead of GMT. +# From Jesper Norgaard Welen (2006-04-14), quoting Sri Lanka News Online +# <http://news.sinhalaya.com/wmview.php?ArtID=11002> (2006-04-13): +# 0030 hrs on April 15, 2006 (midnight of April 14, 2006 +30 minutes) +# at present, become 2400 hours of April 14, 2006 (midnight of April 14, 2006). + +# From Peter Apps and Ranga Sirila of Reuters (2006-04-12) in: +# <http://today.reuters.co.uk/news/newsArticle.aspx?type=scienceNews&storyID=2006-04-12T172228Z_01_COL295762_RTRIDST_0_SCIENCE-SRILANKA-TIME-DC.XML> +# [The Tamil Tigers] never accepted the original 1996 time change and simply +# kept their clocks set five and a half hours ahead of Greenwich Mean +# Time (GMT), in line with neighbor India. +# From Paul Eggert (2006-04-18): +# People who live in regions under Tamil control can use TZ='Asia/Calcutta', +# as that zone has agreed with the Tamil areas since our cutoff date of 1970. + +# From K Sethu (2006-04-25): +# I think the abbreviation LKT originated from the world of computers at +# the time of or subsequent to the time zone changes by SL Government +# twice in 1996 and probably SL Government or its standardization +# agencies never declared an abbreviation as a national standard. +# +# I recollect before the recent change the government annoucemments +# mentioning it as simply changing Sri Lanka Standard Time or Sri Lanka +# Time and no mention was made about the abbreviation. +# +# If we look at Sri Lanka Department of Government's "Official News +# Website of Sri Lanka" ... http://www.news.lk/ we can see that they +# use SLT as abbreviation in time stamp at the beginning of each news +# item.... +# +# Within Sri Lanka I think LKT is well known among computer users and +# adminsitrators. In my opinion SLT may not be a good choice because the +# nation's largest telcom / internet operator Sri Lanka Telcom is well +# known by that abbreviation - simply as SLT (there IP domains are +# slt.lk and sltnet.lk). +# +# But if indeed our government has adopted SLT as standard abbreviation +# (that we have not known so far) then it is better that it be used for +# all computers. + +# From Paul Eggert (2006-04-25): +# One possibility is that we wait for a bit for the dust to settle down +# and then see what people actually say in practice. + # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Colombo 5:19:24 - LMT 1880 5:19:32 - MMT 1906 # Moratuwa Mean Time @@ -1541,7 +1648,8 @@ Zone Asia/Colombo 5:19:24 - LMT 1880 5:30 1:00 IST 1945 Oct 16 2:00 5:30 - IST 1996 May 25 0:00 6:30 - LKT 1996 Oct 26 0:30 - 6:00 - LKT + 6:00 - LKT 2006 Apr 15 0:30 + 5:30 - IST # Syria # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S @@ -1576,17 +1684,24 @@ Rule Syria 1993 only - Sep 25 0:00 0 - # IATA SSIM (1998-02) says 1998-04-02; # (1998-09) says 1999-03-29 and 1999-09-29; (1999-02) says 1999-04-02, # 2000-04-02, and 2001-04-02; (1999-09) says 2000-03-31 and 2001-03-31; -# ignore all these claims and go with Shanks. +# (2006) says 2006-03-31 and 2006-09-22; +# for now ignore all these claims and go with Shanks & Pottenger, +# except for the 2006-09-22 claim (which seems right for Ramadan). Rule Syria 1994 1996 - Apr 1 0:00 1:00 S -Rule Syria 1994 max - Oct 1 0:00 0 - +Rule Syria 1994 2005 - Oct 1 0:00 0 - Rule Syria 1997 1998 - Mar lastMon 0:00 1:00 S Rule Syria 1999 max - Apr 1 0:00 1:00 S +# From Stephen Colebourne (2006-09-18): +# According to IATA data, Syria will change DST on 21st September [21:00 UTC] +# this year [only].... This is probably related to Ramadan, like Egypt. +Rule Syria 2006 only - Sep 22 0:00 0 - +Rule Syria 2007 max - Oct 1 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Damascus 2:25:12 - LMT 1920 # Dimashq 2:00 Syria EE%sT # Tajikistan -# From Shanks. +# From Shanks & Pottenger. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Dushanbe 4:35:12 - LMT 1924 May 2 5:00 - DUST 1930 Jun 21 # Dushanbe Time @@ -1601,13 +1716,13 @@ Zone Asia/Bangkok 6:42:04 - LMT 1880 7:00 - ICT # Turkmenistan -# From Shanks. +# From Shanks & Pottenger. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Ashgabat 3:53:32 - LMT 1924 May 2 # or Ashkhabad 4:00 - ASHT 1930 Jun 21 # Ashkhabad Time 5:00 RussiaAsia ASH%sT 1991 Mar 31 2:00 4:00 RussiaAsia ASH%sT 1991 Oct 27 # independence - 4:00 RussiaAsia TM%sT 1992 Jan 19 2:00 + 4:00 RussiaAsia TM%sT 1992 Jan 19 2:00 5:00 - TMT # United Arab Emirates @@ -1621,24 +1736,24 @@ Zone Asia/Samarkand 4:27:12 - LMT 1924 May 2 4:00 - SAMT 1930 Jun 21 # Samarkand Time 5:00 - SAMT 1981 Apr 1 5:00 1:00 SAMST 1981 Oct 1 - 6:00 RussiaAsia TAS%sT 1991 Mar 31 2:00 # Tashkent Time - 5:00 RussiaAsia TAS%sT 1991 Sep 1 # independence + 6:00 - TAST 1982 Apr 1 # Tashkent Time + 5:00 RussiaAsia SAM%sT 1991 Sep 1 # independence 5:00 RussiaAsia UZ%sT 1992 - 5:00 RussiaAsia UZ%sT 1993 5:00 - UZT Zone Asia/Tashkent 4:37:12 - LMT 1924 May 2 5:00 - TAST 1930 Jun 21 # Tashkent Time - 6:00 RussiaAsia TAS%sT 1991 Mar 31 2:00s + 6:00 RussiaAsia TAS%sT 1991 Mar 31 2:00 5:00 RussiaAsia TAS%sT 1991 Sep 1 # independence 5:00 RussiaAsia UZ%sT 1992 - 5:00 RussiaAsia UZ%sT 1993 5:00 - UZT # Vietnam + # From Paul Eggert (1993-11-18): # Saigon's official name is Thanh-Pho Ho Chi Minh, but it's too long. # We'll stick with the traditional name for now. -# From Shanks: + +# From Shanks & Pottenger: # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Saigon 7:06:40 - LMT 1906 Jun 9 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT? |