asia revision 17d9c33f8add7cdd4ddeac255d12ac7703099173
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski#ident "%Z%%M% %I% %E% SMI"
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# @(#)asia 8.14
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# This data is by no means authoritative; if you think you know better,
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# go ahead and edit the file (and please send any changes to
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# tz@elsie.nci.nih.gov for general use in the future).
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# From Paul Eggert (2006-03-22):
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# A good source for time zone historical data outside the U.S. is
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# San Diego: ACS Publications, Inc. (2003).
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Gwillim Law writes that a good source
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder# for recent time zone data is the International Air Transport
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Association's Standard Schedules Information Manual (IATA SSIM),
999f839e42d594e4ae288208fec398626837c41cTill Mossakowski# published semiannually. Law sent in several helpful summaries
999f839e42d594e4ae288208fec398626837c41cTill Mossakowski# of the IATA's data after 1990.
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Except where otherwise noted, Shanks & Pottenger is the source for
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# entries through 1990, and IATA SSIM is the source for entries afterwards.
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski# Another source occasionally used is Edward W. Whitman, World Time Differences,
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# I found in the UCLA library.
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# A reliable and entertaining source about time zones is
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# I invented the abbreviations marked `*' in the following table;
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# the rest are from earlier versions of this file, or from other sources.
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Corrections are welcome!
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# LMT Local Mean Time
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# 2:00 EET EEST Eastern European Time
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# 2:00 IST IDT Israel
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# 3:00 AST ADT Arabia*
9b01b265715d725c17d51619d297bbb97f37d1b5Thiemo Wiedemeyer# 3:30 IRST IRDT Iran
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# 4:00 GST Gulf*
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# 5:30 IST India
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# 7:00 ICT Indochina*
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# 7:00 WIT west Indonesia
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# 8:00 CIT central Indonesia
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# 8:00 CST China
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# 9:00 CJT Central Japanese Time (1896/1937)*
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# 9:00 EIT east Indonesia
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# 9:00 JST JDT Japan
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# 9:00 KST KDT Korea
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# 9:30 CST (Australian) Central Standard Time
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# See the `europe' file for Russia and Turkey in Asia.
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# From Guy Harris:
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Incorporates data for Singapore from Robert Elz' asia 1.1, as well as
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# additional information from Tom Yap, Sun Microsystems Intercontinental
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Technical Support (including a page from the Official Airline Guide -
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Worldwide Edition). The names for time zones are guesses.
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski###############################################################################
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# These rules are stolen from the `europe' file.
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule EUAsia 1981 max - Mar lastSun 1:00u 1:00 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule EUAsia 1979 1995 - Sep lastSun 1:00u 0 -
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule EUAsia 1996 max - Oct lastSun 1:00u 0 -
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule E-EurAsia 1981 max - Mar lastSun 0:00 1:00 S
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule E-EurAsia 1979 1995 - Sep lastSun 0:00 0 -
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule E-EurAsia 1996 max - Oct lastSun 0:00 0 -
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule RussiaAsia 1981 1984 - Apr 1 0:00 1:00 S
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule RussiaAsia 1981 1983 - Oct 1 0:00 0 -
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till MossakowskiRule RussiaAsia 1984 1991 - Sep lastSun 2:00s 0 -
9b01b265715d725c17d51619d297bbb97f37d1b5Thiemo WiedemeyerRule RussiaAsia 1985 1991 - Mar lastSun 2:00s 1:00 S
9b01b265715d725c17d51619d297bbb97f37d1b5Thiemo WiedemeyerRule RussiaAsia 1992 only - Mar lastSat 23:00 1:00 S
9b01b265715d725c17d51619d297bbb97f37d1b5Thiemo WiedemeyerRule RussiaAsia 1992 only - Sep lastSat 23:00 0 -
9b01b265715d725c17d51619d297bbb97f37d1b5Thiemo WiedemeyerRule RussiaAsia 1993 max - Mar lastSun 2:00s 1:00 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule RussiaAsia 1993 1995 - Sep lastSun 2:00s 0 -
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule RussiaAsia 1996 max - Oct lastSun 2:00s 0 -
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiZone Asia/Kabul 4:36:48 - LMT 1890
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 4:00 - AFT 1945
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# From Paul Eggert (2006-03-22):
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Shanks & Pottenger have Yerevan switching to 3:00 (with Russian DST)
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# in spring 1991, then to 4:00 with no DST in fall 1995, then
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# readopting Russian DST in 1997. Go with Shanks & Pottenger, even
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# when they disagree with others. Edgar Der-Danieliantz
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# reported (1996-05-04) that Yerevan probably wouldn't use DST
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# in 1996, though it did use DST in 1995. IATA SSIM (1991/1998) reports that
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Armenia switched from 3:00 to 4:00 in 1998 and observed DST after 1991,
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# but started switching at 3:00s in 1998.
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiZone Asia/Yerevan 2:58:00 - LMT 1924 May 2
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 3:00 - YERT 1957 Mar # Yerevan Time
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 4:00 RussiaAsia YER%sT 1991 Mar 31 2:00s
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder 3:00 1:00 YERST 1991 Sep 23 # independence
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 3:00 RussiaAsia AM%sT 1995 Sep 24 2:00s
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder 4:00 - AMT 1997
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 4:00 RussiaAsia AM%sT
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski# From Rustam Aliyev of the Azerbaijan Internet Forum (2005-10-23):
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# According to the resolution of Cabinet of Ministers, 1997
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski# Resolution available at: http://aif.az/docs/daylight_res.pdf
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Azer 1997 max - Mar lastSun 4:00 1:00 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Azer 1997 max - Oct lastSun 5:00 0 -
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
ad69cb3627839ed3d33f13d71c81378b65a24b35Till MossakowskiZone Asia/Baku 3:19:24 - LMT 1924 May 2
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 3:00 - BAKT 1957 Mar # Baku Time
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 4:00 RussiaAsia BAK%sT 1991 Mar 31 2:00s
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 3:00 1:00 BAKST 1991 Aug 30 # independence
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 3:00 RussiaAsia AZ%sT 1992 Sep lastSat 23:00
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 4:00 - AZT 1996 # Azerbaijan time
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 4:00 EUAsia AZ%sT 1997
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 4:00 Azer AZ%sT
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
ad69cb3627839ed3d33f13d71c81378b65a24b35Till MossakowskiZone Asia/Bahrain 3:22:20 - LMT 1920 # Al Manamah
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 4:00 - GST 1972 Jun
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
ad69cb3627839ed3d33f13d71c81378b65a24b35Till MossakowskiZone Asia/Dhaka 6:01:40 - LMT 1890
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 5:53:20 - HMT 1941 Oct # Howrah Mean Time?
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 6:30 - BURT 1942 May 15 # Burma Time
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 5:30 - IST 1942 Sep
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 6:30 - BURT 1951 Sep 30
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 6:00 - DACT 1971 Mar 26 # Dacca Time
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 6:00 - BDT # Bangladesh Time
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
ad69cb3627839ed3d33f13d71c81378b65a24b35Till MossakowskiZone Asia/Thimphu 5:58:36 - LMT 1947 Aug 15 # or Thimbu
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 5:30 - IST 1987 Oct
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 6:00 - BTT # Bhutan Time
9a80079e082fdf4fe8e19f8fc61e6cd8799b47a7Christian Maeder# British Indian Ocean Territory
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski# Whitman and the 1995 CIA time zone map say 5:00, but the
9a80079e082fdf4fe8e19f8fc61e6cd8799b47a7Christian Maeder# 1997 and later maps say 6:00. Assume the switch occurred in 1996.
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski# We have no information as to when standard time was introduced;
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski# assume it occurred in 1907, the same year as Mauritius (which
9a80079e082fdf4fe8e19f8fc61e6cd8799b47a7Christian Maeder# then contained the Chagos Archipelago).
9a80079e082fdf4fe8e19f8fc61e6cd8799b47a7Christian Maeder# Zone NAME GMTOFF RULES FORMAT [UNTIL]
ad69cb3627839ed3d33f13d71c81378b65a24b35Till MossakowskiZone Indian/Chagos 4:49:40 - LMT 1907
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 5:00 - IOT 1996 # BIOT Time
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
ad69cb3627839ed3d33f13d71c81378b65a24b35Till MossakowskiZone Asia/Brunei 7:39:40 - LMT 1926 Mar # Bandar Seri Begawan
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 7:30 - BNT 1933
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Burma / Myanmar
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiZone Asia/Rangoon 6:24:40 - LMT 1880 # or Yangon
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder 6:24:36 - RMT 1920 # Rangoon Mean Time?
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 6:30 - BURT 1942 May # Burma Time
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 9:00 - JST 1945 May 3
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 6:30 - MMT # Myanmar Time
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiZone Asia/Phnom_Penh 6:59:40 - LMT 1906 Jun 9
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT?
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 7:00 - ICT 1912 May
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 8:00 - ICT 1931 May
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# From Guy Harris:
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# People's Republic of China. Yes, they really have only one time zone.
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# From Bob Devine (1988-01-28):
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# No they don't. See TIME mag, 1986-02-17 p.52. Even though
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# China is across 4 physical time zones, before Feb 1, 1986 only the
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Peking (Bejing) time zone was recognized. Since that date, China
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder# has two of 'em -- Peking's and Urumqi (named after the capital of
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# the Xinjiang Uyghur Autonomous Region). I don't know about DST for it.
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# . . .I just deleted the DST table and this editor makes it too
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# painful to suck in another copy.. So, here is what I have for
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder# DST start/end dates for Peking's time zone (info from AP):
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# 1986 May 4 - Sept 14
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# 1987 mid-April - ??
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# From U. S. Naval Observatory (1989-01-19):
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# CHINA 8 H AHEAD OF UTC ALL OF CHINA, INCL TAIWAN
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# CHINA 9 H AHEAD OF UTC APR 17 - SEP 10
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski# From Paul Eggert (2006-03-22):
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski# Shanks & Pottenger write that China (except for Hong Kong and Macau)
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski# has had a single time zone since 1980 May 1, observing summer DST
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# from 1986 through 1991; this contradicts Devine's
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# note about Time magazine, though apparently _something_ happened in 1986.
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski# Go with Shanks & Pottenger for now. I made up names for the other
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski# pre-1980 time zones.
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski# From Shanks & Pottenger:
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
433bb7cb49200f4e6c7341101da25309e423c0e2Christian MaederRule Shang 1940 only - Jun 3 0:00 1:00 D
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till MossakowskiRule Shang 1940 1941 - Oct 1 0:00 0 S
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule Shang 1941 only - Mar 16 0:00 1:00 D
433bb7cb49200f4e6c7341101da25309e423c0e2Christian MaederRule PRC 1986 only - May 4 0:00 1:00 D
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule PRC 1986 1991 - Sep Sun>=11 0:00 0 S
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule PRC 1987 1991 - Apr Sun>=10 0:00 1:00 D
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# From Anthony Fok (2001-12-20):
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# BTW, I did some research on-line and found some info regarding these five
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# historic timezones from some Taiwan websites. And yes, there are official
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder# Chinese names for these locales (before 1949).
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder# From Jesper Norgaard Welen (2006-07-14):
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski# I have investigated the timezones around 1970 on the
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# http://www.astro.com/atlas site [with provinces and county
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# boundaries summarized below].... A few other exceptions were two
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# counties on the Sichuan side of the Xizang-Sichuan border,
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski# counties Dege and Baiyu which lies on the Sichuan side and are
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# therefore supposed to be GMT+7, Xizang region being GMT+6, but Dege
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# county is GMT+8 according to astro.com while Baiyu county is GMT+6
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# (could be true), for the moment I am assuming that those two
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# counties are mistakes in the astro.com data.
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Changbai Time ("Long-white Time", Long-white = Heilongjiang area)
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Heilongjiang (except Mohe county), Jilin
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiZone Asia/Harbin 8:26:44 - LMT 1928 # or Haerbin
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder 8:30 - CHAT 1932 Mar # Changbai Time
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 8:00 - CST 1940
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder 9:00 - CHAT 1966 May
f094a7999dfa79cad2eb34ce15f1939c0d6b9e39Till Mossakowski 8:30 - CHAT 1980 May
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 8:00 PRC C%sT
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Zhongyuan Time ("Central plain Time")
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# most of China
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiZone Asia/Shanghai 8:05:52 - LMT 1928
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 8:00 Shang C%sT 1949
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 8:00 PRC C%sT
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Long-shu Time (probably due to Long and Shu being two names of that area)
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Guangxi, Guizhou, Hainan, Ningxia, Sichuan, Shaanxi, and Yunnan;
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# most of Gansu; west Inner Mongolia; west Qinghai; and the Guangdong
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# counties Deqing, Enping, Kaiping, Luoding, Taishan, Xinxing,
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski# Yangchun, Yangjiang, Yu'nan, and Yunfu.
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiZone Asia/Chongqing 7:06:20 - LMT 1928 # or Chungking
e45f00ee89d20991a57651931b13f0637762bcd1Till Mossakowski 7:00 - LONT 1980 May # Long-shu Time
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 8:00 PRC C%sT
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Xin-zang Time ("Xinjiang-Tibet Time")
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder# The Gansu counties Aksay, Anxi, Dunhuang, Subei; west Qinghai;
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski# the Guangdong counties Xuwen, Haikang, Suixi, Lianjiang,
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski# Zhanjiang, Wuchuan, Huazhou, Gaozhou, Maoming, Dianbai, and Xinyi;
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# east Tibet, including Lhasa, Chamdo, Shigaise, Jimsar, Shawan and Hutubi;
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# east Xinjiang, including Urumqi, Turpan, Karamay, Korla, Minfeng, Jinghe,
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Wusu, Qiemo, Xinyan, Wulanwusu, Jinghe, Yumin, Tacheng, Tuoli, Emin,
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Shihezi, Changji, Yanqi, Heshuo, Tuokexun, Tulufan, Shanshan, Hami,
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Fukang, Kuitun, Kumukuli, Miquan, Qitai, and Turfan.
433bb7cb49200f4e6c7341101da25309e423c0e2Christian MaederZone Asia/Urumqi 5:50:20 - LMT 1928 # or Urumchi
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 6:00 - URUT 1980 May # Urumqi Time
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 8:00 PRC C%sT
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# West Tibet, including Pulan, Aheqi, Shufu, Shule;
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# West Xinjiang, including Aksu, Atushi, Yining, Hetian, Cele, Luopu, Nileke,
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder# Zhaosu, Tekesi, Gongliu, Chabuchaer, Huocheng, Bole, Pishan, Suiding,
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# and Yarkand.
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiZone Asia/Kashgar 5:03:56 - LMT 1928 # or Kashi or Kaxgar
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 5:30 - KAST 1940 # Kashgar Time
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 5:00 - KAST 1980 May
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder 8:00 PRC C%sT
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Hong Kong (Xianggang)
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule HK 1946 only - Apr 20 3:30 1:00 S
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till MossakowskiRule HK 1946 only - Dec 1 3:30 0 -
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule HK 1947 only - Apr 13 3:30 1:00 S
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule HK 1947 only - Dec 30 3:30 0 -
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule HK 1948 only - May 2 3:30 1:00 S
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule HK 1948 1952 - Oct lastSun 3:30 0 -
433bb7cb49200f4e6c7341101da25309e423c0e2Christian MaederRule HK 1949 1953 - Apr Sun>=1 3:30 1:00 S
433bb7cb49200f4e6c7341101da25309e423c0e2Christian MaederRule HK 1953 only - Nov 1 3:30 0 -
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule HK 1954 1964 - Mar Sun>=18 3:30 1:00 S
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule HK 1954 only - Oct 31 3:30 0 -
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule HK 1955 1964 - Nov Sun>=1 3:30 0 -
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule HK 1965 1977 - Apr Sun>=16 3:30 1:00 S
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule HK 1965 1977 - Oct Sun>=16 3:30 0 -
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiRule HK 1979 1980 - May Sun>=8 3:30 1:00 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule HK 1979 1980 - Oct Sun>=16 3:30 0 -
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiZone Asia/Hong_Kong 7:36:36 - LMT 1904 Oct 30
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 8:00 HK HK%sT
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski###############################################################################
f094a7999dfa79cad2eb34ce15f1939c0d6b9e39Till Mossakowski# Shanks & Pottenger write that Taiwan observed DST during 1945, when it
d873fb90c8cfd890f03f033bfdc07c4d8652d8cfTill Mossakowski# was still controlled by Japan. This is hard to believe, but we don't
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# have any other information.
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Taiwan 1945 1951 - May 1 0:00 1:00 D
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Taiwan 1945 1951 - Oct 1 0:00 0 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Taiwan 1952 only - Mar 1 0:00 1:00 D
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Taiwan 1952 1954 - Nov 1 0:00 0 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Taiwan 1953 1959 - Apr 1 0:00 1:00 D
f094a7999dfa79cad2eb34ce15f1939c0d6b9e39Till MossakowskiRule Taiwan 1955 1961 - Oct 1 0:00 0 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Taiwan 1960 1961 - Jun 1 0:00 1:00 D
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Taiwan 1974 1975 - Apr 1 0:00 1:00 D
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Taiwan 1974 1975 - Oct 1 0:00 0 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Taiwan 1980 only - Jun 30 0:00 1:00 D
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Taiwan 1980 only - Sep 30 0:00 0 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiZone Asia/Taipei 8:06:00 - LMT 1896 # or Taibei or T'ai-pei
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 8:00 Taiwan C%sT
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Macau (Macao, Aomen)
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Macau 1961 1962 - Mar Sun>=16 3:30 1:00 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Macau 1961 1964 - Nov Sun>=1 3:30 0 -
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Macau 1963 only - Mar Sun>=16 0:00 1:00 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Macau 1964 only - Mar Sun>=16 3:30 1:00 S
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till MossakowskiRule Macau 1965 only - Mar Sun>=16 0:00 1:00 S
433bb7cb49200f4e6c7341101da25309e423c0e2Christian MaederRule Macau 1965 only - Oct 31 0:00 0 -
433bb7cb49200f4e6c7341101da25309e423c0e2Christian MaederRule Macau 1966 1971 - Apr Sun>=16 3:30 1:00 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Macau 1966 1971 - Oct Sun>=16 3:30 0 -
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Macau 1972 1974 - Apr Sun>=15 0:00 1:00 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Macau 1972 1973 - Oct Sun>=15 0:00 0 -
e45f00ee89d20991a57651931b13f0637762bcd1Till MossakowskiRule Macau 1974 1977 - Oct Sun>=15 3:30 0 -
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Macau 1975 1977 - Apr Sun>=15 3:30 1:00 S
433bb7cb49200f4e6c7341101da25309e423c0e2Christian MaederRule Macau 1978 1980 - Apr Sun>=15 0:00 1:00 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Macau 1978 1980 - Oct Sun>=15 0:00 0 -
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiZone Asia/Macau 7:34:20 - LMT 1912
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 8:00 Macau MO%sT 1999 Dec 20 # return to China
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 8:00 PRC C%sT
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski###############################################################################
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Cyprus 1975 only - Apr 13 0:00 1:00 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Cyprus 1975 only - Oct 12 0:00 0 -
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Cyprus 1976 only - May 15 0:00 1:00 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Cyprus 1976 only - Oct 11 0:00 0 -
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Cyprus 1977 1980 - Apr Sun>=1 0:00 1:00 S
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Cyprus 1977 only - Sep 25 0:00 0 -
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiRule Cyprus 1978 only - Oct 2 0:00 0 -
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till MossakowskiRule Cyprus 1979 1997 - Sep lastSun 0:00 0 -
433bb7cb49200f4e6c7341101da25309e423c0e2Christian MaederRule Cyprus 1981 1998 - Mar lastSun 0:00 1:00 S
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till MossakowskiZone Asia/Nicosia 2:13:28 - LMT 1921 Nov 14
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski 2:00 Cyprus EE%sT 1998 Sep
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder 2:00 EUAsia EE%sT
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# IATA SSIM (1998-09) has Cyprus using EU rules for the first time.
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Classically, Cyprus belongs to Asia; e.g. see Herodotus, Histories, I.72.
e45f00ee89d20991a57651931b13f0637762bcd1Till Mossakowski# However, for various reasons many users expect to find it under Europe.
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski# From Paul Eggert (1994-11-19):
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski# Today's _Economist_ (p 60) reports that Georgia moved its clocks forward
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# an hour recently, due to a law proposed by Zurab Murvanidze,
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder# an MP who went on a hunger strike for 11 days to force discussion about it!
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# We have no details, but we'll guess they didn't move the clocks back in fall.
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# From Mathew Englander, quoting AP (1996-10-23 13:05-04):
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder# Instead of putting back clocks at the end of October, Georgia
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# will stay on daylight savings time this winter to save energy,
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder# President Eduard Shevardnadze decreed Wednesday.
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# From the BBC via Joseph S. Myers (2004-06-27):
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Georgia moved closer to Western Europe on Sunday... The former Soviet
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# republic has changed its time zone back to that of Moscow. As a result it
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# is now just four hours ahead of Greenwich Mean Time, rather than five hours
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# ahead. The switch was decreed by the pro-Western president of Georgia,
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Mikhail Saakashvili, who said the change was partly prompted by the process
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# of integration into Europe.
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski# From Teimuraz Abashidze (2005-11-07):
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Government of Georgia ... decided to NOT CHANGE daylight savings time on
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# [Oct.] 30, as it was done before during last more than 10 years.
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Currently, we are in fact GMT +4:00, as before 30 October it was GMT
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# +3:00.... The problem is, there is NO FORMAL LAW or governmental document
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# about it. As far as I can find, I was told, that there is no document,
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# because we just DIDN'T ISSUE document about switching to winter time....
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# I don't know what can be done, especially knowing that some years ago our
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# DST rules where changed THREE TIMES during one month.
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till MossakowskiZone Asia/Tbilisi 2:59:16 - LMT 1880
ad69cb3627839ed3d33f13d71c81378b65a24b35Till Mossakowski 2:59:16 - TBMT 1924 May 2 # Tbilisi Mean Time
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder 3:00 - TBIT 1957 Mar # Tbilisi Time
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 4:00 RussiaAsia TBI%sT 1991 Mar 31 2:00s
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 3:00 1:00 TBIST 1991 Apr 9 # independence
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 3:00 RussiaAsia GE%sT 1992 # Georgia Time
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder 3:00 E-EurAsia GE%sT 1994 Sep lastSun
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 4:00 E-EurAsia GE%sT 1996 Oct lastSun
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 4:00 1:00 GEST 1997 Mar lastSun
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 4:00 E-EurAsia GE%sT 2004 Jun 27
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski 3:00 RussiaAsia GE%sT 2005 Mar lastSun 2:00
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# See Indonesia for the 1945 transition.
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# From Joao Carrascalao, brother of the former governor of East Timor, in
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# <a href="http://etan.org/et99c/december/26-31/30ETMAY.htm">
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# East Timor may be late for its millennium
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski# </a> (1999-12-26/31):
c46bd51db9d35bed0f8f83d3d1db78238bd89ae8Till Mossakowski# Portugal tried to change the time forward in 1974 because the sun
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# rises too early but the suggestion raised a lot of problems with the
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Timorese and I still don't think it would work today because it
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# conflicts with their way of life.
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# From Paul Eggert (2000-12-04):
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# We don't have any record of the above attempt.
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Most likely our records are incomplete, but we have no better data.
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# <a href="http://www.hri.org/news/world/undh/last/00-08-16.undh.html">
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder# From Manoel de Almeida e Silva, Deputy Spokesman for the UN Secretary-General
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# (2000-08-16)</a>:
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# The Cabinet of the East Timor Transition Administration decided
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# today to advance East Timor's time by one hour. The time change,
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# which will be permanent, with no seasonal adjustment, will happen at
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# midnight on Saturday, September 16.
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiZone Asia/Dili 8:22:20 - LMT 1912
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 8:00 - TLT 1942 Feb 21 23:00 # E Timor Time
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 9:00 - JST 1945 Sep 23
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 9:00 - TLT 1976 May 3
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski 8:00 - CIT 2000 Sep 17 00:00
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
93dfeb7d82cf7d67776b0e7492bbe7e48af172a5Till MossakowskiZone Asia/Calcutta 5:53:28 - LMT 1880 # Kolkata
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder 5:53:20 - HMT 1941 Oct # Howrah Mean Time?
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 6:30 - BURT 1942 May 15 # Burma Time
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 5:30 - IST 1942 Sep
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 5:30 1:00 IST 1945 Oct 15
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# The following are like Asia/Calcutta:
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Lakshadweep (Laccadive, Minicoy and Amindivi Is)
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# From Gwillim Law (2001-05-28), overriding Shanks & Pottenger:
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# <http://www.sumatera-inc.com/go_to_invest/about_indonesia.asp#standtime>
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# says that Indonesia's time zones changed on 1988-01-01. Looking at some
433bb7cb49200f4e6c7341101da25309e423c0e2Christian Maeder# time zone maps, I think that must refer to Western Borneo (Kalimantan Barat
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# and Kalimantan Tengah) switching from UTC+8 to UTC+7.
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# From Paul Eggert (2007-03-10):
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Here is another correction to Shanks & Pottenger.
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# JohnTWB writes that Japanese forces did not surrender control in
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Indonesia until 1945-09-01 00:00 at the earliest (in Jakarta) and
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# other formal surrender ceremonies were September 9, 11, and 13, plus
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# September 12 for the regional surrender to Mountbatten in Singapore.
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# These would be the earliest possible times for a change.
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Regimes horaires pour le monde entier, by Henri Le Corre, (Editions
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Traditionnelles, 1987, Paris) says that Java and Madura switched
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# from JST to UTC+07:30 on 1945-09-23, and gives 1944-09-01 for Jayapura
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# (Hollandia). For now, assume all Indonesian locations other than Jayapura
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# switched on 1945-09-23.
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Zone NAME GMTOFF RULES FORMAT [UNTIL]
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiZone Asia/Jakarta 7:07:12 - LMT 1867 Aug 10
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# Shanks & Pottenger say the next transition was at 1924 Jan 1 0:13,
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski# but this must be a typo.
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 7:07:12 - JMT 1923 Dec 31 23:47:12 # Jakarta
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 7:20 - JAVT 1932 Nov # Java Time
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 7:30 - WIT 1942 Mar 23
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 9:00 - JST 1945 Sep 23
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 7:30 - WIT 1948 May
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 8:00 - WIT 1950 May
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 7:30 - WIT 1964
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill MossakowskiZone Asia/Pontianak 7:17:20 - LMT 1908 May
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 7:17:20 - PMT 1932 Nov # Pontianak MT
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 7:30 - WIT 1942 Jan 29
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 9:00 - JST 1945 Sep 23
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 7:30 - WIT 1948 May
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 8:00 - WIT 1950 May
fe1771bb2ad4ad758a5654b277c1bb145d46701cTill Mossakowski 7:30 - WIT 1964
Zone Asia/Makassar 7:57:36 - LMT 1920
Zone Asia/Jayapura 9:22:48 - LMT 1932 Nov
# Reingold's/Dershowitz' calculator gives correctly the Gregorian date
Zone Asia/Tehran 3:25:44 - LMT 1916
# the U.S. edition) on the Iraqi Kurds contains a paragraph:
Zone Asia/Baghdad 2:57:40 - LMT 1890
# I coined "IST/IDT" circa 1988. Until then there were three
# Interior, there is NO set rule for Daylight-Savings/Standard time changes.
# 1 a.m IDT; up until 1998, the change back to standard time was on a
# Saturday night from midnight daylight savings time to 11 p.m. standard
# will take place from 1 a.m. IDT to midnight IST. Starting in 2001, all
# (except in 2003) is the night after the Passover Seder (i.e. the eve
# last Friday before April 2nd (i.e. the last Friday in March or April
# I used Ephraim Silverberg's dst-israel.el program
# <ftp://ftp.cs.huji.ac.il/pub/tz/software/dst-israel.el> (2005-02-20)
# but older zic implementations (e.g., Solaris 8) do not support
Zone Asia/Jerusalem 2:20:56 - LMT 1880
# places (e.g. Ishigaki) use +0800; go with Suzuki. Guess that all
Zone Asia/Tokyo 9:18:59 - LMT 1887 Dec 31 15:00u
# Since 1938, all Japanese possessions have been like Asia/Tokyo.
# From <a href="http://star.arabia.com/990701/JO9.html">
# From <a href="http://star.arabia.com/990930/JO9.html">
# Starting 2003 transitions are from Steffen Thorsen's web site timeanddate.com.
Zone Asia/Amman 2:23:44 - LMT 1931
# <a href="http://www.kazsociety.org.uk/news/2005/03/30.htm">
Zone Asia/Almaty 5:07:48 - LMT 1924 May 2 # or Alma-Ata
Zone Asia/Qyzylorda 4:21:52 - LMT 1924 May 2
Zone Asia/Aqtobe 3:48:40 - LMT 1924 May 2
Zone Asia/Aqtau 3:21:04 - LMT 1924 May 2
Zone Asia/Oral 3:25:24 - LMT 1924 May 2 # or Ural'sk
Zone Asia/Bishkek 4:58:24 - LMT 1924 May 2
Zone Asia/Seoul 8:27:52 - LMT 1890
Zone Asia/Pyongyang 8:23:00 - LMT 1890
Zone Asia/Kuwait 3:11:56 - LMT 1950
Zone Asia/Vientiane 6:50:24 - LMT 1906 Jun 9 # or Viangchan
Zone Asia/Beirut 2:22:00 - LMT 1880
Zone Asia/Kuala_Lumpur 6:46:46 - LMT 1901 Jan 1
6:55:25 - SMT 1905 Jun 1 # Singapore M.T.
Zone Asia/Kuching 7:21:20 - LMT 1926 Mar
Zone Indian/Maldives 4:54:00 - LMT 1880 # Male
# <a href="http://www.mongoliatourism.gov.mn/general.htm">
# the rest of the country follows the Ulaanbaatar time, which is UTC/GMT plus
# travelmongolia.org says there are two time zones (UTC+7, UTC+8) with no DST.
# <http://ubpost.mongolnews.mn/index.php?subaction=showcomments&id=1111634894&archive=&start_from=&ucat=1&>
# Hovd, a.k.a. Chovd, Dund-Us, Dzhargalant, Khovd, Jirgalanta
Zone Asia/Hovd 6:06:36 - LMT 1905 Aug
# Ulaanbaatar, a.k.a. Ulan Bataar, Ulan Bator, Urga
Zone Asia/Ulaanbaatar 7:07:32 - LMT 1905 Aug
# Choibalsan, a.k.a. Bajan Tuemen, Bajan Tumen, Chojbalsan,
Zone Asia/Choibalsan 7:38:00 - LMT 1905 Aug
Zone Asia/Katmandu 5:41:16 - LMT 1920
Zone Asia/Muscat 3:54:20 - LMT 1920
# DAWN <http://www.dawn.com/2002/10/06/top13.htm> reported on 2002-10-05
# According to http://www.dawn.com/2003/03/07/top15.htm
Zone Asia/Karachi 4:28:12 - LMT 1907
# demonstrate...independence, they have been switching to
# I guess more info may be available from the PA's web page (if/when they
# Starting 2004 transitions are from Steffen Thorsen's web site timeanddate.com.
# Palestinian territories left DST early on 13.th. of September at 2:00.
Zone Asia/Gaza 2:17:52 - LMT 1900 Oct
# transcript of the decree in <http://www.phys.uu.nl/~vgent/idl/idl.htm>.
Zone Asia/Manila -15:56:00 - LMT 1844 Dec 31
Zone Asia/Qatar 3:26:08 - LMT 1920 # Al Dawhah / Doha
Zone Asia/Riyadh 3:06:52 - LMT 1950
Zone Asia/Singapore 6:55:25 - LMT 1901 Jan 1
6:55:25 - SMT 1905 Jun 1 # Singapore M.T.
# With effect from 12.30 a.m. on 26th October 1996
# <http://news.sinhalaya.com/wmview.php?ArtID=11002> (2006-04-13):
# <http://today.reuters.co.uk/news/newsArticle.aspx?type=scienceNews&storyID=2006-04-12T172228Z_01_COL295762_RTRIDST_0_SCIENCE-SRILANKA-TIME-DC.XML>
# People who live in regions under Tamil control can use TZ='Asia/Calcutta',
# Website of Sri Lanka" ... http://www.news.lk/ we can see that they
Zone Asia/Colombo 5:19:24 - LMT 1880
# I found confirmation on this in this gov.sy-article (Arabic):
Zone Asia/Damascus 2:25:12 - LMT 1920 # Dimashq
Zone Asia/Dushanbe 4:35:12 - LMT 1924 May 2
Zone Asia/Bangkok 6:42:04 - LMT 1880
Zone Asia/Ashgabat 3:53:32 - LMT 1924 May 2 # or Ashkhabad
Zone Asia/Dubai 3:41:12 - LMT 1920
Zone Asia/Samarkand 4:27:12 - LMT 1924 May 2
Zone Asia/Tashkent 4:37:12 - LMT 1924 May 2
Zone Asia/Saigon 7:06:40 - LMT 1906 Jun 9
Zone Asia/Aden 3:00:48 - LMT 1950