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# From Paul Eggert (2007-03-29):# We don't know the details, or whether the approval means it'll happen,# so for now we assume no DST.Zone Asia/Kuwait 3:11:56 - LMT 1950 3:00 - AST# Laos# Zone NAME GMTOFF RULES FORMAT [UNTIL]Zone Asia/Vientiane 6:50:24 - LMT 1906 Jun 9 # or Viangchan 7:06:20 - SMT 1911 Mar 11 0:01 # Saigon MT? 7:00 - ICT 1912 May 8:00 - ICT 1931 May 7:00 - ICT# Lebanon# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/SRule Lebanon 1920 only - Mar 28 0:00 1:00 SRule Lebanon 1920 only - Oct 25 0:00 0 -Rule Lebanon 1921 only - Apr 3 0:00 1:00 SRule Lebanon 1921 only - Oct 3 0:00 0 -Rule Lebanon 1922 only - Mar 26 0:00 1:00 SRule Lebanon 1922 only - Oct 8 0:00 0 -Rule Lebanon 1923 only - Apr 22 0:00 1:00 SRule Lebanon 1923 only - Sep 16 0:00 0 -Rule Lebanon 1957 1961 - May 1 0:00 1:00 SRule Lebanon 1957 1961 - Oct 1 0:00 0 -Rule Lebanon 1972 only - Jun 22 0:00 1:00 SRule Lebanon 1972 1977 - Oct 1 0:00 0 -Rule Lebanon 1973 1977 - May 1 0:00 1:00 SRule Lebanon 1978 only - Apr 30 0:00 1:00 SRule Lebanon 1978 only - Sep 30 0:00 0 -Rule Lebanon 1984 1987 - May 1 0:00 1:00 SRule Lebanon 1984 1991 - Oct 16 0:00 0 -Rule Lebanon 1988 only - Jun 1 0:00 1:00 SRule Lebanon 1989 only - May 10 0:00 1:00 SRule Lebanon 1990 1992 - May 1 0:00 1:00 SRule Lebanon 1992 only - Oct 4 0:00 0 -Rule Lebanon 1993 max - Mar lastSun 0:00 1:00 SRule Lebanon 1993 1998 - Sep lastSun 0:00 0 -Rule Lebanon 1999 max - Oct lastSun 0:00 0 -# Zone NAME GMTOFF RULES FORMAT [UNTIL]Zone Asia/Beirut 2:22:00 - LMT 1880 2:00 Lebanon EE%sT# Malaysia# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/SRule NBorneo 1935 1941 - Sep 14 0:00 0:20 TS # one-Third SummerRule NBorneo 1935 1941 - Dec 14 0:00 0 -## peninsular Malaysia# The data here are taken from Mok Ly Yng (2003-10-30)# <http://www.math.nus.edu.sg/aslaksen/teaching/timezone.html>.# Zone NAME GMTOFF RULES FORMAT [UNTIL]Zone Asia/Kuala_Lumpur 6:46:46 - LMT 1901 Jan 1 6:55:25 - SMT 1905 Jun 1 # Singapore M.T. 7:00 - MALT 1933 Jan 1 # Malaya Time 7:00 0:20 MALST 1936 Jan 1 7:20 - MALT 1941 Sep 1 7:30 - MALT 1942 Feb 16 9:00 - JST 1945 Sep 12 7:30 - MALT 1982 Jan 1 8:00 - MYT # Malaysia Time# Sabah & Sarawak# 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 7:30 - BORT 1933 # Borneo Time 8:00 NBorneo BOR%sT 1942 Feb 16 9:00 - JST 1945 Sep 12 8:00 - BORT 1982 Jan 1 8:00 - MYT# Maldives# Zone NAME GMTOFF RULES FORMAT [UNTIL]Zone Indian/Maldives 4:54:00 - LMT 1880 # Male 4:54:00 - MMT 1960 # Male Mean Time 5:00 - MVT # Maldives Time# Mongolia# 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):# <a href="http://www.mongoliatourism.gov.mn/general.htm"># General Information Mongolia# </a> (1999-09)# "Time: Mongolia has two time zones. Three westernmost provinces of# Bayan-Ulgii, Uvs, and Hovd are one hour earlier than the capital city, and# the rest of the country follows the Ulaanbaatar time, which is UTC/GMT plus# eight hours."# From Rives McDow (1999-12-13):# Mongolia discontinued the use of daylight savings time in 1999; 1998# being the last year it was implemented. The dates of implementation I am# unsure of, but most probably it was similar to Russia, except for the time# of implementation may have been different....# Some maps in the past have indicated that there was an additional time# zone in the eastern part of Mongolia, including the provinces of Dornod,# Suhbaatar, and possibly Khentij.# From Paul Eggert (1999-12-15):# Naming and spelling is tricky in Mongolia.# We'll use Hovd (also spelled Chovd and Khovd) to represent the west zone;# the capital of the Hovd province is sometimes called Hovd, sometimes Dund-Us,# and sometimes Jirgalanta (with variant spellings), but the name Hovd# is good enough for our purposes.# From Rives McDow (2001-05-13):# In addition to Mongolia starting daylight savings as reported earlier# (adopted DST on 2001-04-27 02:00 local time, ending 2001-09-28),# there are three time zones.## Provinces [at 7:00]: Bayan-ulgii, Uvs, Khovd, Zavkhan, Govi-Altai# Provinces [at 8:00]: Khovsgol, Bulgan, Arkhangai, Khentii, Tov,# Bayankhongor, Ovorkhangai, Dundgovi, Dornogovi, Omnogovi# Provinces [at 9:00]: Dornod, Sukhbaatar## [The province of Selenge is omitted from the above lists.]# From Ganbold Ts., Ulaanbaatar (2004-04-17):# Daylight saving occurs at 02:00 local time last Saturday of March.# It will change back to normal at 02:00 local time last Saturday of# September.... As I remember this rule was changed in 2001.## From Paul Eggert (2004-04-17):# For now, assume Rives McDow's informant got confused about Friday vs# Saturday, and that his 2001 dates should have 1 added to them.# From Paul Eggert (2005-07-26):# We have wildly conflicting information about Mongolia's time zones.# Bill Bonnet (2005-05-19) reports that the US Embassy in Ulaanbaatar says# there is only one time zone and that DST is observed, citing Microsoft# Windows XP as the source. Risto Nykanen (2005-05-16) reports that# travelmongolia.org says there are two time zones (UTC+7, UTC+8) with no DST.# Oscar van Vlijmen (2005-05-20) reports that the Mongolian Embassy in# Washington, DC says there are two time zones, with DST observed.# He also found# <http://ubpost.mongolnews.mn/index.php?subaction=showcomments&id=1111634894&archive=&start_from=&ucat=1&># which also says that there is DST, and which has a comment by "Toddius"# (2005-03-31 06:05 +0700) saying "Mongolia actually has 3.5 time zones.# The West (OLGII) is +7 GMT, most of the country is ULAT is +8 GMT# and some Eastern provinces are +9 GMT but Sukhbaatar Aimag is SUHK +8.5 GMT.# The SUKH timezone is new this year, it is one of the few things the# parliament passed during the tumultuous winter session."# For now, let's ignore this information, until we have more confirmation.# From Ganbold Ts. (2007-02-26):# Parliament of Mongolia has just changed the daylight-saving rule in February.# They decided not to adopt daylight-saving time....# http://www.mongolnews.mn/index.php?module=unuudur&sec=view&id=15742# From Deborah Goldsmith (2008-03-30):# We received a bug report claiming that the tz database UTC offset for# Asia/Choibalsan (GMT+09:00) is incorrect, and that it should be GMT# +08:00 instead. Different sources appear to disagree with the tz# database on this, e.g.:## <a href="http://www.timeanddate.com/worldclock/city.html?n=1026"># http://www.timeanddate.com/worldclock/city.html?n=1026# </a># <a href="http://www.worldtimeserver.com/current_time_in_MN.aspx"># http://www.worldtimeserver.com/current_time_in_MN.aspx# </a>## both say GMT+08:00.# From Steffen Thorsen (2008-03-31):# eznis airways, which operates several domestic flights, has a flight# schedule here:# <a href="http://www.eznis.com/Container.jsp?id=112"># http://www.eznis.com/Container.jsp?id=112# </a># (click the English flag for English)## There it appears that flights between Choibalsan and Ulaanbatar arrive# about 1:35 - 1:50 hours later in local clock time, no matter the# direction, while Ulaanbaatar-Khvod takes 2 hours in the Eastern# direction and 3:35 back, which indicates that Ulaanbatar and Khvod are# in different time zones (like we know about), while Choibalsan and# Ulaanbatar are in the same time zone (correction needed).# From Arthur David Olson (2008-05-19):# Assume that Choibalsan is indeed offset by 8:00.# XXX--in the absence of better information, assume that transition# was at the start of 2008-03-31 (the day of Steffen Thorsen's report);# this is almost surely wrong.# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/SRule Mongol 1983 1984 - Apr 1 0:00 1:00 SRule Mongol 1983 only - Oct 1 0:00 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 SRule 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 SRule Mongol 2001 2006 - Sep lastSat 2:00 0 -Rule Mongol 2002 2006 - Mar lastSat 2:00 1:00 S# Zone NAME GMTOFF RULES FORMAT [UNTIL]# Hovd, a.k.a. Chovd, Dund-Us, Dzhargalant, Khovd, JirgalantaZone Asia/Hovd 6:06:36 - LMT 1905 Aug 6:00 - HOVT 1978 # Hovd Time 7:00 Mongol HOV%sT# Ulaanbaatar, a.k.a. Ulan Bataar, Ulan Bator, UrgaZone Asia/Ulaanbaatar 7:07:32 - LMT 1905 Aug 7:00 - ULAT 1978 # Ulaanbaatar Time 8:00 Mongol ULA%sT# Choibalsan, a.k.a. Bajan Tuemen, Bajan Tumen, Chojbalsan,# Choybalsan, Sanbejse, TchoibalsanZone Asia/Choibalsan 7:38:00 - LMT 1905 Aug 7:00 - ULAT 1978 8:00 - ULAT 1983 Apr 9:00 Mongol CHO%sT 2008 Mar 31 # Choibalsan Time 8:00 Mongol CHO%sT# Nepal# Zone NAME GMTOFF RULES FORMAT [UNTIL]Zone Asia/Katmandu 5:41:16 - LMT 1920 5:30 - IST 1986 5:45 - NPT # Nepal Time# Oman# Zone NAME GMTOFF RULES FORMAT [UNTIL]Zone Asia/Muscat 3:54:20 - LMT 1920 4:00 - GST# Pakistan# From Rives McDow (2002-03-13):# I have been advised that Pakistan has decided to adopt dst on a# TRIAL basis for one year, starting 00:01 local time on April 7, 2002# and ending at 00:01 local time October 6, 2002. This is what I was# told, but I believe that the actual time of change may be 00:00; the# 00:01 was to make it clear which day it was on.# From Paul Eggert (2002-03-15):# Jesper Norgaard found this URL:# http://www.pak.gov.pk/public/news/app/app06_dec.htm# (dated 2001-12-06) which says that the Cabinet adopted a scheme "to# advance the clocks by one hour on the night between the first# Saturday and Sunday of April and revert to the original position on# 15th October each year". This agrees with McDow's 04-07 at 00:00,# but disagrees about the October transition, and makes it sound like# it's not on a trial basis. Also, the "between the first Saturday# and Sunday of April" phrase, if taken literally, means that the# transition takes place at 00:00 on the first Sunday on or after 04-02.# From Paul Eggert (2003-02-09):# DAWN <http://www.dawn.com/2002/10/06/top13.htm> reported on 2002-10-05# that 2002 DST ended that day at midnight. Go with McDow for now.# From Steffen Thorsen (2003-03-14):# According to http://www.dawn.com/2003/03/07/top15.htm# there will be no DST in Pakistan this year:## ISLAMABAD, March 6: Information and Media Development Minister Sheikh# Rashid Ahmed on Thursday said the cabinet had reversed a previous# decision to advance clocks by one hour in summer and put them back by# one hour in winter with the aim of saving light hours and energy.## The minister told a news conference that the experiment had rather# shown 8 per cent higher consumption of electricity.# From Alex Krivenyshev (2008-05-15):# # Here is an article that Pakistan plan to introduce Daylight Saving Time # on June 1, 2008 for 3 months.# # "... The federal cabinet on Wednesday announced a new conservation plan to help # reduce load shedding by approving the closure of commercial centres at 9pm and # moving clocks forward by one hour for the next three months. # ...."# # <a href="http://www.worldtimezone.net/dst_news/dst_news_pakistan01.html"># http://www.worldtimezone.net/dst_news/dst_news_pakistan01.html# </a># OR# <a href="http://www.dailytimes.com.pk/default.asp?page=2008%5C05%5C15%5Cstory_15-5-2008_pg1_4"># http://www.dailytimes.com.pk/default.asp?page=2008%5C05%5C15%5Cstory_15-5-2008_pg1_4# </a># From Arthur David Olson (2008-05-19):# XXX--midnight transitions is a guess; 2008 only is a guess.# From Alexander Krivenyshev (2008-08-28):# Pakistan government has decided to keep the watches one-hour advanced# for another 2 months--plan to return to Standard Time on October 31# instead of August 31.## <a href="http://www.worldtimezone.com/dst_news/dst_news_pakistan02.html"># http://www.worldtimezone.com/dst_news/dst_news_pakistan02.html# </a># OR# <a href="http://dailymailnews.com/200808/28/news/dmbrn03.html"># http://dailymailnews.com/200808/28/news/dmbrn03.html# </a># Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/SRule Pakistan 2002 only - Apr Sun>=2 0:01 1:00 SRule Pakistan 2002 only - Oct Sun
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