-# @(#)asia 7.56
+# @(#)asia 7.57
# 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
# Bahrain
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Asia/Bahrain 3:22:20 - LMT 1920 # Al-Manamah
+Zone Asia/Bahrain 3:22:20 - LMT 1920 # Al Manamah
4:00 - GST 1972 Jun
3:00 - AST
# Bhutan
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Asia/Thimbu 5:58:36 - LMT 1947 Aug 15
+Zone Asia/Thimphu 5:58:36 - LMT 1947 Aug 15 # or Thimbu
5:30 - IST 1987 Oct
6:00 - BTT # Bhutan Time
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]
-Zone Asia/Harbin 8:26:44 - LMT 1928
+Zone Asia/Harbin 8:26:44 - LMT 1928 # or Haerbin
8:30 - HART 1932 Mar # Harbin Time
8:00 - CST 1940
9:00 - HART 1966 May
Zone Asia/Shanghai 8:05:52 - LMT 1928
8:00 Shang C%sT 1949
8:00 PRC C%sT
-Zone Asia/Chungking 7:06:20 - LMT 1928
+Zone Asia/Chungking 7:06:20 - LMT 1928 # or Chongqing
7:00 - CHUT 1980 May # Chungking Time
8:00 PRC C%sT
-Zone Asia/Urumqi 5:50:20 - LMT 1928
+Zone Asia/Urumqi 5:50:20 - LMT 1928 # or Urumchi
6:00 - URUT 1980 May # Urumqi Time
8:00 PRC C%sT
-Zone Asia/Kashgar 5:03:56 - LMT 1928
+Zone Asia/Kashgar 5:03:56 - LMT 1928 # or Kashi or Kaxgar
5:30 - KAST 1940 # Kashgar Time
5:00 - KAST 1980 May
8:00 PRC C%sT
-# Hong Kong
+# Hong Kong (Xianggang)
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule HK 1946 only - Apr 20 3:30 1:00 S
Rule HK 1946 only - Dec 1 3:30 0 -
Zone Asia/Taipei 8:06:00 - LMT 1896
8:00 Taiwan C%sT
-# Macao
+# Macao (Macau, Aomen)
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Macao 1961 1962 - Mar Sun>=16 3:30 1:00 S
Rule Macao 1961 1964 - Nov Sun>=1 3:30 0 -
2:00 EUAsia EE%sT
# IATA SSIM (1998-09) has Cyprus using EU rules for the first time.
+# Classically, Cyprus belongs to Asia; e.g. see Herodotus, Histories, I.72.
+# However, for various reasons many users expect to find it under Europe.
+Link Asia/Nicosia Europe/Nicosia
+
# Georgia
# From Paul Eggert <eggert@twinsun.com> (1994-11-19):
# Today's _Economist_ (p 60) reports that Georgia moved its clocks forward
# 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.
Rule Iraq 1991 max - Apr 1 3:00s 1:00 D
-Rule Iraq 1991 max - Oct 1 3:00s 0 D
+Rule Iraq 1991 max - Oct 1 3:00s 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Asia/Baghdad 2:57:40 - LMT 1890
2:57:36 - BMT 1918 # Baghdad Mean Time?
5:00 E-EurAsia AQT%sT 1995 Sep lastSun
4:00 E-EurAsia AQT%sT
-# Kirgizstan
+# Kyrgyzstan (Kirgizstan)
# Transitions through 1991 are from Shanks.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Kirgiz 1992 1996 - Apr Sun>=7 0:00 1:00 S
# Laos
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Asia/Vientiane 6:50:24 - LMT 1906 Jun 9
+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
# Qatar
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Asia/Qatar 3:26:08 - LMT 1920 # Al Dawhah
+Zone Asia/Qatar 3:26:08 - LMT 1920 # Al Dawhah / Doha
4:00 - GST 1972 Jun
3:00 - AST
Rule Syria 1997 1998 - Mar lastMon 0:00 1:00 S
Rule Syria 1999 max - Apr 1 0:00 1:00 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Asia/Damascus 2:25:12 - LMT 1920
+Zone Asia/Damascus 2:25:12 - LMT 1920 # Dimashq
2:00 Syria EE%sT
# Tajikistan
# Turkmenistan
# From Shanks.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Asia/Ashkhabad 3:53:32 - LMT 1924 May 2 # or Ashgabat
+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
-# @(#)northamerica 7.52
+# @(#)northamerica 7.53
# also includes Central America and the Caribbean
# This data is by no means authoritative; if you think you know better,
# Before the Uniform Time Act of 1966 took effect in 1967, observance of
# Daylight Saving Time in the US was by local option, except during wartime.
+# From Arthur David Olson (2000-09-25):
+# Last night I heard part of a rebroadcast of a 1945 Arch Oboler radio drama.
+# In the introduction, Oboler spoke of "Eastern Peace Time."
+# An AltaVista search turned up
+# <a href="http://rowayton.org/rhs/hstaug45.html">:
+# "When the time is announced over the radio now, it is 'Eastern Peace
+# Time' instead of the old familiar 'Eastern War Time.' Peace is wonderful."
+# </a> (August 1945) by way of confirmation.
+
+# From Joseph Gallant <notquite@hotmail.com>, citing
+# George H. Douglas, _The Early Days of Radio Broadcasting_ (1987):
+# At 7 P.M. (Eastern War Time) [on 1945-08-14], the networks were set
+# to switch to London for Atlee's address, but the American people
+# never got to hear his speech live. According to one press account,
+# CBS' Bob Trout was first to announce the word of Japan's surrender,
+# but a few seconds later, NBC, ABC and Mutual also flashed the word
+# of surrender, all of whom interrupting the bells of Big Ben in
+# London which were to precede Mr. Atlee's speech.
+
+# From Paul Eggert (2000-10-02):
+# Shanks says that DST was called "War Time" in the US in 1919.
+# In the light of the above, this seems suspect;
+# but we have no better authority yet.
+
+
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule US 1918 1919 - Mar lastSun 2:00 1:00 W # War
Rule US 1918 1919 - Oct lastSun 2:00 0 S
Rule US 1942 only - Feb 9 2:00 1:00 W # War
+Rule US 1945 only - Aug 14 23:00u 1:00 P # Peace
Rule US 1945 only - Sep 30 2:00 0 S
Rule US 1967 max - Oct lastSun 2:00 0 S
Rule US 1967 1973 - Apr lastSun 2:00 1:00 D
# Go with Shanks.
# US Eastern time, represented by New York
+
+# Connecticut, Delaware, District of Columbia, most of Florida,
+# Georgia, far southeastern Indiana, eastern Kentucky, Maine,
+# Maryland, Massachusetts, New Hampshire, New Jersey, New York, North
+# Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, eastern
+# Tennessee, Vermont, Virginia, West Virginia
+
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER
Rule NYC 1920 only - Mar lastSun 2:00 1:00 D
Rule NYC 1920 only - Oct lastSun 2:00 0 S
-5:00 US E%sT
# US Central time, represented by Chicago
+
+# Alabama, Arkansas, Florida panhandle, Illinois, western Indiana
+# corners, Iowa, most of Kansas, western Kentucky, Louisiana,
+# Minnesota, Mississippi, Missouri, eastern Nebraska, eastern North
+# Dakota, Oklahoma, eastern South Dakota, western Tennessee, most of
+# Texas, Wisconsin
+
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER
Rule Chicago 1920 only - Jun 13 2:00 1:00 D
Rule Chicago 1920 1921 - Oct lastSun 2:00 0 S
-6:00 US C%sT
# US Mountain time, represented by Denver
+#
+# Colorado, southern Idaho, far western Kansas, Montana, western
+# Nebraska, New Mexico, southwestern North Dakota, far eastern Oregon,
+# western South Dakota, far western Texas, Utah, Wyoming
+#
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER
Rule Denver 1920 1921 - Mar lastSun 2:00 1:00 D
Rule Denver 1920 only - Oct lastSun 2:00 0 S
-7:00 US M%sT
# US Pacific time, represented by Los Angeles
+#
+# California, northern Idaho, Nevada, most of Oregon, and Washington
+#
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER
Rule CA 1948 only - Mar 14 2:00 1:00 D
Rule CA 1949 only - Jan 1 2:00 0 S
-5:00 - EST
# Part of Kentucky left its clocks alone in 1974.
+# This also includes a part of Indiana immediately adjacent to Louisville.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER
Rule Louisville 1921 only - May 1 2:00 1:00 D
Rule Louisville 1921 only - Sep 1 2:00 0 S
-5:00 US E%sT 1974 Jan 6 2:00
-6:00 1:00 CDT 1974 Oct 27 2:00
-5:00 US E%sT
+Link America/Louisville America/Kentucky/Louisville
+#
# Wayne, Clinton, and Russell Counties, Kentucky
-# From
-# <a href="http://frwebgate.access.gpo.gov/cgi-bin/getdoc.cgi?dbname=1999_register&docid=99-26945-filed">
-# Federal Register Doc. 99-26945
-# </a> (1999-10-14 08:45-04)
-# In response to a petition by the Wayne County, Kentucky, Fiscal Court,
-# the Department of Transportation (DOT) proposed to move Wayne County,
-# Kentucky, from the Central Time Zone to the Eastern Time Zone.... Now
-# the earliest date that the proposed change might take effect is
-# October 29, 2000.
#
# From
# <a href="http://www.lake-cumberland.com/life/archive/news990129time.shtml">
# August indicated they would like to change to "fast time" also.
# The three Lake Cumberland counties are the farthest east of any U.S.
# location in the Central time zone.
+#
+# From Rich Wales (2000-08-29):
+# After prolonged debate, and despite continuing deep differences of opinion,
+# Wayne County (central Kentucky) is switching from Central (-0600) to Eastern
+# (-0500) time. They won't "fall back" this year. See:
+# <a href="http://www.nandotimes.com/nation/story/body/0,1037,500244845-500362432-502132762-0,00.html">
+# Sara Shipley, the difference an hour makes (2000-08-29 15:33 -0400)
+# </a>
+Zone America/Kentucky/Monticello -5:39:24 - LMT 1883 Nov 18 12:00
+ -6:00 US C%sT 1946
+ -6:00 - CST 1968
+ -6:00 US C%sT 2000 Oct 29 2:00
+ -5:00 US E%sT
+
+
+# From Rives McDow (2000-08-30):
+# Here ... are all the changes in the US since 1985.
+# Kearny County, KS (put all of county on central;
+# previously split between MST and CST) ... 1990-10
+# Starke County, IN (from CST to EST) ... 1991-10
+# Oliver County, ND (from MST to CST) ... 1992-10
+# West Wendover, NV (from PST TO MST) ... 1999-10
+# Wayne County, KY (from CST to EST) ... 2000-10
+# There is another change in the offing; Mercer County, ND is looking
+# to change from MT to CT. It is possible that two other ND counties
+# (Sioux and Morton) will look to change also. If made, the earliest
+# a change would be effective is October 2001.
+#
+# From Paul Eggert (2000-10-02):
+# FIXME: I haven't yet had time to incorporate all the above changes.
# Michigan
#
# From Paul Eggert <eggert@twinsun.com> (1994-11-22):
# Alas, this sort of thing must be handled by localization software.
-# The data for Canada are all from Shanks.
+# Unless otherwise specified, the data for Canada are all from Shanks.
+# From Paul Eggert (2000-10-02):
+# H. David Matthews and Mary Vincent's map
+# <a href="http://www.canadiangeographic.ca/SO98/geomap.htm">
+# "It's about TIME", _Canadian Geographic_ (September-October 1998)
+# </a> contains detailed boundaries for regions observing nonstandard
+# time and daylight saving time arrangements in Canada circa 1998.
+#
+# INMS, the Institute for National Measurement Standards in Ottawa, has
+# <a href="http://www.nrc.ca/inms/time/tze.html">
+# information about standard and daylight saving time zones in Canada.
+# </a> (updated periodically).
+# Its unofficial information is often taken from Matthews and Vincent.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Canada 1918 only - Apr 14 2:00 1:00 D
Rule Canada 1987 max - Apr Sun>=1 2:00 1:00 D
-# Newfoundland (except Labrador)
+# Newfoundland (and far southeast Labrador)
+
+# From Paul Eggert (2000-10-02):
+# Matthews and Vincent (1998) write that Labrador should use NST/NDT,
+# but the only part of Labrador that follows the rules is the
+# southeast corner, including Port Hope Simpson and Mary's Harbour,
+# but excluding, say, Black Tickle.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule StJohns 1917 1918 - Apr Sun>=8 2:00 1:00 D
Rule StJohns 1946 1950 - Oct Sun>=2 2:00 0 S
Rule StJohns 1951 1986 - Apr lastSun 2:00 1:00 D
Rule StJohns 1951 1959 - Sep lastSun 2:00 0 S
-Rule StJohns 1960 max - Oct lastSun 2:00 0 S
-Rule StJohns 1987 only - Apr Sun>=1 2:00 1:00 D
-Rule StJohns 1988 only - Apr Sun>=1 2:00 2:00 DD
-Rule StJohns 1989 max - Apr Sun>=1 2:00 1:00 D
+Rule StJohns 1960 1986 - Oct lastSun 2:00 0 S
+# From Paul Eggert (2000-10-02):
+# INMS (2000-09-12) says that, since 1988 at least, Newfoundland switches
+# at 00:01 local time. For now, assume it started in 1987.
+Rule StJohns 1987 only - Apr Sun>=1 0:01 1:00 D
+Rule StJohns 1987 max - Oct lastSun 0:01 0 S
+Rule StJohns 1988 only - Apr Sun>=1 0:01 2:00 DD
+Rule StJohns 1989 max - Apr Sun>=1 0:01 1:00 D
# St John's has an apostrophe, but Posix file names can't have apostrophes.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone America/St_Johns -3:30:52 - LMT 1884
-3:30 StJohns N%sT
-# east Labrador
+# most of east Labrador
# The name `Happy Valley-Goose Bay' is too long; use `Goose Bay'.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
# Shanks also writes that Liverpool, NS was the only town in Canada to observe
# DST in 1971 but not 1970; for now we'll assume this is a typo.
+# From Paul Eggert (2000-10-02):
+# INMS (2000-09-12) says that, since 1988 at least, New Brunswick switches
+# at 00:01 local time. FIXME: verify and create a new Zone for this.
+
+
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Halifax 1916 only - Apr 1 0:00 1:00 D
Rule Halifax 1916 only - Oct 1 0:00 0 S
# For what it's worth, Shanks says that Atikokan has agreed with
# Rainy River ever since standard time was introduced.
+# From Paul Eggert (2000-10-02):
+# Matthews and Vincent (1998) write that Atikokan, Pickle Lake, and
+# New Osnaburgh observe CST all year, that Big Trout Lake observes
+# CST/CDT, and that Upsala and Shebandowan observe EST/EDT, all in
+# violation of the official Ontario rules.
+# They also write that Quebec east of the -63 meridian is supposed to
+# observe AST, but residents as far east as Natashquan use EST/EDT,
+# and residents east of Natashquan use AST.
+# We probably need Zones for far east Quebec and for Atikokan,
+# but we don't know when their practices started.
+
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Mont 1917 only - Mar 25 2:00 1:00 D
Rule Mont 1917 only - Apr 24 0:00 0 S
Rule Winn 1963 only - Apr lastSun 2:00 1:00 D
Rule Winn 1963 only - Sep 22 2:00 0 S
Rule Winn 1966 1986 - Apr lastSun 2:00 1:00 D
-Rule Winn 1966 max - Oct lastSun 2:00 0 S
+Rule Winn 1966 1986 - Oct lastSun 2:00 0 S
Rule Winn 1987 max - Apr Sun>=1 2:00 1:00 D
+# From Paul Eggert (2000-10-02):
+# INMS (2000-09-12) says that, since 1988 at least, Manitoba switches from
+# DST at 03:00 local time. For now, assume it started in 1987.
+Rule Winn 1987 max - Oct lastSun 2:00s 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone America/Winnipeg -6:28:36 - LMT 1887 Jul 16
-6:00 Winn C%sT
# Saskatchewan
-# From Paul Eggert (1996-06-12):
+# From Paul Eggert (2000-10-02):
# Shanks writes that since 1970 most of this region has been like Regina.
# Some western towns (e.g. Swift Current) switched from MST/MDT to CST in 1972.
# Other western towns (e.g. Lloydminster) are like Edmonton.
+# Matthews and Vincent (1998) write that Denare Beach and Creighton
+# are like Winnipeg, in violation of Saskatchewan law.
# From W. Jones <jones@skdad.usask.ca> (1992-11-06):
# The. . .below is based on information I got from our law library, the
# British Columbia
-# From Paul Eggert (1996-06-12):
+# From Paul Eggert (2000-10-02):
# Shanks writes that since 1970 most of this region has been like Vancouver.
# Dawson Creek uses MST. Much of east BC is like Edmonton.
+# Matthews and Vincent (1998) write that Creston is like Dawson Creek.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Vanc 1918 only - Apr 14 2:00 1:00 D
# for municipal offices and schools.... Igloolik [was similar but then]
# made the switch to central time on Saturday, Nov. 6.
+# From Paul Eggert (2000-10-02):
+# Matthews and Vincent (1998) say the following, but we lack histories
+# for these potential new Zones.
+#
+# The Canadian Forces station at Alert uses Eastern Time while the
+# handful of residents at the Eureka weather station [in the Central
+# zone] skip daylight savings. Baffin Island, which is crossed by the
+# Central, Eastern and Atlantic Time zones only uses Eastern Time.
+# Gjoa Haven, Taloyoak and Pelly Bay all use Mountain instead of
+# Central Time and Southampton Island [in the Central zone] is not
+# required to use daylight savings.
+
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule NT_YK 1918 only - Apr 14 2:00 1:00 D
Rule NT_YK 1918 only - Oct 27 2:00 0 S
-# @(#)southamerica 7.36
+# @(#)southamerica 7.37
# 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
Rule Arg 2000 only - Mar Sun>=1 0:00 0 -
#
# From Peter Gradelski via Steffen Thorsen (2000-03-01):
-# We just checked with our San Paulo office and they say the government of
+# We just checked with our Sao Paulo office and they say the government of
# Argentina decided not to become one of the countries that go on or off DST.
# So Buenos Aires should be -3 hours from GMT at all times.
#
# Brazilian official page
# </a>
#
-# From Paul Eggert (1998-10-29):
+# From Paul Eggert (2000-10-02):
# The official decrees referenced below are taken from
# <a href="http://pcdsh01.on.br/DecHV.html">
# Decretos sobre o Horario de Verao no Brasil
# </a> (1999-10-04, in Portuguese).
+# The official site for all decrees, including those not related to time, is
+# <a href="http://www.presidencia.gov.br/CCIVIL/decreto/principal_ano.htm">
+# Presidencia da Republica, Subchefia para Assuntos Juridicos, Decretos
+# </a> (in Portuguese).
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
# Decree <a href="http://pcdsh01.on.br/HV20466.htm">20,466</a> (1931-10-01)
# Decree <a href="http://pcdsh01.on.br/figuras/HV3150.gif">3,150</a>
# (1999-08-23) adopted by same states.
# Decree <a href="http://pcdsh01.on.br/DecHV99.gif">3,188</a> (1999-09-30)
-# adds SE, AL, PE, PR, RN, CE, PI, MA and RR.
+# adds SE, AL, PB, PE, RN, CE, PI, MA and RR.
+Rule Brazil 1999 only - Oct 3 0:00 1:00 S
+Rule Brazil 2000 only - Feb 27 0:00 0 -
+# Decree <a href="http://pcdsh01.on.br/DEC3592.htm">3,592</a> (2000-09-06)
+# adopted by the same states as before.
# These give only one year's rules. After that, the rules are guesses
# and are quite possibly wrong, but are more likely than no DST at all.
-Rule Brazil 1999 max - Oct Sun>=1 0:00 1:00 S
-Rule Brazil 2000 max - Feb lastSun 0:00 0 -
+Rule Brazil 2000 max - Oct Sun>=8 0:00 1:00 S
+Rule Brazil 2001 max - Feb Sun>=15 0:00 0 -
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
# go with Shanks.
Rule Para 1999 max - Feb lastSun 0:00 0 -
# IATA SSIM (2000-02) says 1999-10-10.
-Rule Para 1999 max - Oct Sun>=8 0:00 1:00 S
+Rule Para 1999 only - Oct 10 0:00 1:00 S
+# From Steffen Thorsen (2000-10-02):
+# I have three independent reports that Paraguay changed to DST this Sunday
+# (10-01).
+Rule Para 2000 max - Oct Sun>=1 0:00 1:00 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone America/Asuncion -3:50:40 - LMT 1890
-3:50:40 - AMT 1931 Oct 10 # Asuncion Mean Time