From 399fa5e6c8c7c1464e346349daac9ff5fae606a4 Mon Sep 17 00:00:00 2001 From: kleink Date: Thu, 19 Aug 1999 20:21:25 +0000 Subject: [PATCH] Import tzdata1999e. --- share/zoneinfo/africa | 11 ++- share/zoneinfo/antarctica | 6 +- share/zoneinfo/asia | 19 ++-- share/zoneinfo/australasia | 82 +++++++++++++---- share/zoneinfo/europe | 56 +++++++----- share/zoneinfo/leapseconds | 5 +- share/zoneinfo/northamerica | 27 ++++-- share/zoneinfo/southamerica | 171 ++++++++++++++++++------------------ 8 files changed, 229 insertions(+), 148 deletions(-) diff --git a/share/zoneinfo/africa b/share/zoneinfo/africa index f0cf017fd2b3..c728eceb0f68 100644 --- a/share/zoneinfo/africa +++ b/share/zoneinfo/africa @@ -1,4 +1,4 @@ -# @(#)africa 7.28 +# @(#)africa 7.30 # 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 @@ -24,7 +24,7 @@ # I found in the UCLA library. # # A reliable and entertaining source about time zones is -# Derek Howse, Greenwich time and longitude, Antique Collectors Club (1997). +# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). # # Previous editions of this database used WAT, CAT, SAT, and EAT # for +0:00 through +3:00, respectively, @@ -442,10 +442,9 @@ Zone Indian/Reunion 3:41:52 - LMT 1911 Jun # Saint-Denis # # Scattered Islands (Iles Eparses) administered from Reunion are as follows. # The following information about them is taken from -# -# Iles Eparses -# -# (1997-07-22, in French). We have no info about their time zone histories. +# Iles Eparses (www.outre-mer.gouv.fr/domtom/ile.htm, 1997-07-22, in French; +# no longer available as of 1999-08-17). +# We have no info about their time zone histories. # # Bassas da India - uninhabited # Europa Island - inhabited from 1905 to 1910 by two families diff --git a/share/zoneinfo/antarctica b/share/zoneinfo/antarctica index feee35033f41..82d8299d244d 100644 --- a/share/zoneinfo/antarctica +++ b/share/zoneinfo/antarctica @@ -1,4 +1,4 @@ -# @(#)antarctica 7.15 +# @(#)antarctica 7.16 # From Paul Eggert (1999-03-22): # To keep things manageable, we list only locations occupied year-round; see @@ -141,8 +141,8 @@ Zone Antarctica/DumontDUrville 0 - ___ 1947 Zone Antarctica/Syowa 0 - ___ 1957 Jan 29 3:00 - SYOT # Syowa Time # See: -# -# Japanese Antarctic Research Expedition (JARE) (1998-04-09) +# +# NIPR Antarctic Research Activities (1999-08-17) # # S Korea - year-round base diff --git a/share/zoneinfo/asia b/share/zoneinfo/asia index 23047d522933..dc09affd2d67 100644 --- a/share/zoneinfo/asia +++ b/share/zoneinfo/asia @@ -25,7 +25,7 @@ # I found in the UCLA library. # # A reliable and entertaining source about time zones is -# Derek Howse, Greenwich time and longitude, Antique Collectors Club (1997). +# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). # # I invented the abbreviations marked `*' in the following table; # the rest are from earlier versions of this file, or from other sources. @@ -648,6 +648,11 @@ Zone Asia/Tokyo 9:18:59 - LMT 1887 Dec 31 15:00u # Since 1938, all Japanese possessions have been like Asia/Tokyo. # Jordan +# From Steffen Thorsen (1999-05-08): +# Jordan do not have DST this year. It also seems that they are not going +# to use it the next years either. "We do not need it" was the answer I got +# from the Jordan National Information Centre (http://www.nic.gov.jo). +# # 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 - @@ -666,9 +671,9 @@ Rule Jordan 1991 only - Apr 17 0:00 1:00 S Rule Jordan 1991 only - Sep 27 0:00 0 - Rule Jordan 1992 only - Apr 10 0:00 1:00 S Rule Jordan 1992 1993 - Oct Fri>=1 0:00 0 - -Rule Jordan 1993 max - Apr Fri>=1 0:00 1:00 S +Rule Jordan 1993 1998 - Apr Fri>=1 0:00 1:00 S Rule Jordan 1994 only - Sep Fri>=15 0:00 0 - -Rule Jordan 1995 max - Sep Fri>=15 0:00s 0 - +Rule Jordan 1995 1998 - Sep Fri>=15 0:00s 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Amman 2:23:44 - LMT 1931 2:00 Jordan EE%sT @@ -948,7 +953,7 @@ Zone Asia/Gaza 2:17:52 - LMT 1900 Oct # no information # Philippines -# Howse writes that until 1844 the Philippines kept American date. +# Howse writes (p 153) that until 1844 the Philippines kept American date. # The rest of this data is from Shanks. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Phil 1936 only - Nov 1 0:00 1:00 S @@ -992,9 +997,9 @@ Zone Asia/Singapore 6:55:24 - LMT 1880 # Sri Lanka # From Paul Eggert (1996-09-03): -# -# Sri Lanka advances clock by an hour to avoid blackout (1996-05-24) -# +# "Sri Lanka advances clock by an hour to avoid blackout" +# (www.virtual-pc.com/lankaweb/news/items/240596-2.html, 1996-05-24, +# no longer available as of 1999-08-17) # reported ``the country's standard time will be put forward by one hour at # midnight Friday (1830 GMT) `in the light of the present power crisis'.'' # Transitions before 1996 are from Shanks (1995). diff --git a/share/zoneinfo/australasia b/share/zoneinfo/australasia index c5b018e95261..e75edd5053ab 100644 --- a/share/zoneinfo/australasia +++ b/share/zoneinfo/australasia @@ -1,4 +1,4 @@ -# @(#)australasia 7.46 +# @(#)australasia 7.48 # This file also includes Pacific islands. # Notes are at the end of this file @@ -68,13 +68,15 @@ Zone Australia/Lindeman 9:55:56 - LMT 1895 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule AS 1971 1985 - Oct lastSun 2:00s 1:00 - Rule AS 1986 only - Oct 19 2:00s 1:00 - -Rule AS 1987 max - Oct lastSun 2:00s 1:00 - +Rule AS 1987 1999 - Oct lastSun 2:00s 1:00 - Rule AS 1972 only - Feb 27 2:00s 0 - Rule AS 1973 1985 - Mar Sun>=1 2:00s 0 - Rule AS 1986 1989 - Mar Sun>=15 2:00s 0 - Rule AS 1990 1994 even Mar Sun>=18 2:00s 0 - Rule AS 1990 1994 odd Mar Sun>=1 2:00s 0 - Rule AS 1995 max - Mar lastSun 2:00s 0 - +Rule AS 2000 only - Aug lastSun 2:00s 1:00 - +Rule AS 2001 max - Oct lastSun 2:00s 1:00 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Australia/Adelaide 9:14:20 - LMT 1895 Feb 9:00 - CST 1899 May @@ -113,7 +115,7 @@ Rule AV 1986 only - Oct 19 2:00s 1:00 - Rule AV 1987 1999 - Oct lastSun 2:00s 1:00 - Rule AV 1991 1994 - Mar Sun>=1 2:00s 0 - Rule AV 1995 max - Mar lastSun 2:00s 0 - -Rule AV 2000 only - Aug 26 2:00s 1:00 - +Rule AV 2000 only - Aug lastSun 2:00s 1:00 - Rule AV 2001 max - Oct lastSun 2:00s 1:00 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Australia/Melbourne 9:39:52 - LMT 1895 Feb @@ -133,7 +135,7 @@ Rule AN 1986 only - Oct 19 2:00s 1:00 - Rule AN 1987 1999 - Oct lastSun 2:00s 1:00 - Rule AN 1990 1995 - Mar Sun>=1 2:00s 0 - Rule AN 1996 max - Mar lastSun 2:00s 0 - -Rule AN 2000 only - Aug 26 2:00s 1:00 - +Rule AN 2000 only - Aug lastSun 2:00s 1:00 - Rule AN 2001 max - Oct lastSun 2:00s 1:00 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Australia/Sydney 10:04:52 - LMT 1895 Feb @@ -388,7 +390,7 @@ Zone Pacific/Fakaofo -11:24:56 - LMT 1901 # Tonga # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Pacific/Tongatapu 12:19:20 - LMT 1901 - 12:20 - TOT 1968 Oct # Tonga Time + 12:20 - TOT 1941 # Tonga Time 13:00 - TOT # Tuvalu @@ -473,7 +475,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # I found in the UCLA library. # # A reliable and entertaining source about time zones is -# Derek Howse, Greenwich time and longitude, Antique Collectors Club (1997). +# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). # # I invented the abbreviations marked `*' in the following table; # the rest are from earlier versions of this file, or from other sources. @@ -541,7 +543,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # Standard Time Act 1987 (updated 1995-04-04) # # ACT -# +# # Standard Time and Summer Time Act 1972 # # SA @@ -806,15 +808,23 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # Prem Bob Carr announced NSW will fall into line with other E states # and SA and continue daylight savings to the last Sun in Mar. -# From Eric Ulevik (1997-06-12): -# The NSW state government in Australia is talking about bringing the start -# of daylight savings time forward in the year 2000 to cater for the Olympics. -# This is going to take some time to be negotiated, because the plan is to do -# this in multiple states due to soccer games (which are not just in Sydney). +# From Eric Ulevik (1999-05-26): +# DST will start in NSW on the last Sunday of August, rather than the usual +# October in 2000. Victoria and South Australia are expected to adopt this +# change, Queensland is unlikely. [See: Matthew Moore, +# +# Two months more daylight saving +# +# Sydney Morning Herald (1999-05-26).] + +# Also see the following official NSW source: +# +# Daylight Saving in New South Wales. +# # IATA SSIM (1998-09) says that the spring 2000 change for Australian # Capital Territory, New South Wales except Lord Howe Island and Broken -# Hill, and Victoria will be August 26, presumably due to the Sydney Olympics. +# Hill, and Victoria will be August 27, presumably due to the Sydney Olympics. # Yancowinna @@ -897,9 +907,9 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # Fiji -# Howse writes that in 1879 the British governor of Fiji -# enacted an ordinance standardizing the islands on +12:00. -# Perhaps it didn't take. We go with Shanks's more precise date in 1915. +# Howse writes (p 153) that in 1879 the British governor of Fiji +# enacted an ordinance standardizing the islands on Antipodean Time +# instead of the American system (which was one day behind). # From Rives McDow (1998-10-08): # Fiji will introduce DST effective 0200 local time, 1998-11-01 @@ -934,7 +944,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # N Mariana Is, Guam -# Howse writes ``The Spaniards, on the other hand, reached the +# Howse writes (p 153) ``The Spaniards, on the other hand, reached the # Philippines and the Ladrones from America,'' and implies that the Ladrones # (now called the Marianas) kept American date for quite some time. # Ignore this for now, as we have no hard data. See also Asia/Manila. @@ -950,7 +960,8 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # Samoa -# Howse writes that in 1879 the King of Samoa decided to change +# Howse writes (p 153, citing p 10 of the 1883-11-18 New York Herald) +# that in 1879 the King of Samoa decided to change # ``the date in his kingdom from the Antipodean to the American system, # ordaining -- by a masterpiece of diplomatic flattery -- that # the Fourth of July should be celebrated twice in that year.'' @@ -961,3 +972,38 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901 # Today's _Wall Street Journal_ (p 1) reports that ``Tonga has been plotting # to sneak ahead of [New Zealanders] by introducing daylight-saving time.'' # Since Kiribati has moved the Date Line it's not clear what Tonga will do. + +# Don Mundell writes in the 1997-02-20 Tonga Chronicle +# +# How Tonga became `The Land where Time Begins' +# : + +# Until 1941 Tonga maintained a standard time 50 minutes ahead of NZST +# 12 hours and 20 minutes ahead of GMT. When New Zealand adjusted its +# standard time in 1940s, Tonga had the choice of subtracting from its +# local time to come on the same standard time as New Zealand or of +# advancing its time to maintain the differential of 13 degrees +# (approximately 50 minutes ahead of New Zealand time). +# +# Because His Majesty King Taufa'ahau Tupou IV, then Crown Prince +# Tungi, preferred to ensure Tonga's title as the land where time +# begins, the Legislative Assembly approved the latter change. +# +# But some of the older, more conservative members from the outer +# islands objected. "If at midnight on Dec. 31, we move ahead 40 +# minutes, as your Royal Highness wishes, what becomes of th 40 +# minutes we have lost?" +# +# The Crown Prince, presented an unanswerable argument: "Remember that +# on the World Day of Prayer, you would be the first people on Earth +# to say your prayers in the morning." + +# From Paul Eggert (1999-08-12): +# Shanks says the transition was on 1968-10-01; go with Mundell. + +# From Eric Ulevik (1999-05-03): +# Tonga's director of tourism, who is also secretary of the National Millenium +# Committee, has a plan to get Tonga back in front. +# He has proposed a one-off move to tropical daylight saving for Tonga from +# October to March, which has won approval in principle from the Tongan +# Government. diff --git a/share/zoneinfo/europe b/share/zoneinfo/europe index 3053e5078e85..50440e5cc457 100644 --- a/share/zoneinfo/europe +++ b/share/zoneinfo/europe @@ -1,4 +1,4 @@ -# @(#)europe 7.60 +# @(#)europe 7.62 # 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 @@ -46,7 +46,7 @@ # 3:00 MSK MSD Moscow # # A reliable and entertaining source about time zones, especially in Britain, -# Derek Howse, Greenwich time and longitude, Antique Collectors Club (1997). +# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). # From Peter Ilieve (1994-12-04), # The original six [EU members]: Belgium, France, (West) Germany, Italy, @@ -100,31 +100,32 @@ # Howse writes that Britain was the first country to use standard time. # The railways cared most about the inconsistencies of local mean time, # and it was they who forced a uniform time on the country. -# The original idea was credited to Dr. William Hyde Wollaston (1766-1828); -# it was popularized in 1840 by Capt. Basil Hall, RN (1788-1844), -# famed explorer and former Commissioner for Longitude. +# The original idea was credited to Dr. William Hyde Wollaston (1766-1828) +# and was popularized by Abraham Follett Osler (1808-1903). # The first railway to adopt London time was the Great Western Railway # in November 1840; other railways followed suit, and by 1847 most -# (though not all) railways used London time. On 1847 Sep 22 the +# (though not all) railways used London time. On 1847-09-22 the # Railway Clearing House, an industry standards body, recommended that GMT be -# adopted at all stations; the January 1848 Bradshaw's lists most major +# adopted at all stations as soon as the General Post Office permitted it. +# The transition occurred on 12-01 for the L&NW, the Caledonian, +# and presumably other railways; the January 1848 Bradshaw's lists many # railways as using GMT. By 1855 the vast majority of public -# clocks in Britain were set to GMT (though some, like the Great Clock -# in Tom Tower at Christ Church, Oxford, were fitted with two minute hands, +# clocks in Britain were set to GMT (though some, like the great clock +# on Tom Tower at Christ Church, Oxford, were fitted with two minute hands, # one for local time and one for GMT). The last major holdout was the legal # system, which stubbornly stuck to local time for many years, leading # to oddities like polls opening at 08:13 and closing at 16:13. # The legal system finally switched to GMT when the Statutes (Definition -# of Time) Act took effect; it received the Royal Assent on 1880 Aug 2. +# of Time) Act took effect; it received the Royal Assent on 1880-08-02. # # In the tables below, we condense this complicated story into a single -# transition date for London, namely 1847 Sep 22. We don't know as much -# about Dublin, so we use 1880 Aug 2, the legal transition time. +# transition date for London, namely 1847-12-01. We don't know as much +# about Dublin, so we use 1880-08-02, the legal transition time. # From Paul Eggert (1999-01-30): # Summer Time was first seriously proposed by William Willett (1857-1915), # a London builder and member of the Royal Astronomical Society -# who circulated a pamphlet ``Waste of Daylight'' (1907) +# who circulated a pamphlet ``The Waste of Daylight'' (1907) # that proposed advancing clocks 20 minutes on each of four Sundays in April, # and retarding them by the same amount on four Sundays in September. # A bill was drafted in 1909 and introduced in Parliament several times, @@ -154,6 +155,8 @@ # time of sunrise and sunset in The Times, when BDST was in effect, and # if you find a zone reference it will say, "All times B.D.S.T." +# Howse writes (p 157) `DBST'; let's assume this is a typo. + # From Peter Ilieve (1998-04-19): # The following list attempts to show the complete history of Summer Time # legislation in the United Kingdom, and has quite a bit to say about @@ -749,17 +752,17 @@ # From Paul Eggert (1999-03-28): # Clive Feather (, 1997-03-31) -# reports that Cheriton Shuttle Terminal uses Concession Time (CT), -# equivalent to French civil time. +# reports that Folkestone (Cheriton) Shuttle Terminal uses Concession Time +# (CT), equivalent to French civil time. # Julian Hill (, 1998-09-30) reports that -# trains between Dollands Moor (the freight facility just outside Cheriton) +# trains between Dollands Moor (the freight facility next door) # and Frethun run in CT. # My admittedly uninformed guess is that the terminal has two authorities, # the French concession operators and the British civil authorities, # and that the time depends on who you're talking to. # If, say, the British police were called to the station for some reason, # I would expect the official police report to use GMT/BST and not CET/CEST. -# This is a borderline case, but for now let's stick to GMT/BST for Cheriton. +# This is a borderline case, but for now let's stick to GMT/BST. # From an anonymous contributor (1996-06-02): # The law governing time in Ireland is under Statutory Instrument SI 395/94, @@ -880,7 +883,7 @@ Rule GB-Eire 1990 1995 - Oct Sun>=22 1:00u 0 GMT # See EU for rules starting in 1996. # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone Europe/London -0:01:15 - LMT 1847 Sep 22 +Zone Europe/London -0:01:15 - LMT 1847 Dec 1 0:00 GB-Eire %s 1968 Oct 27 1:00 - BST 1971 Oct 31 2:00u 0:00 GB-Eire %s 1996 @@ -1875,13 +1878,24 @@ Zone Europe/Warsaw 1:24:00 - LMT 1880 1:00 Poland CE%sT 1940 Jun 23 2:00 1:00 C-Eur CE%sT 1944 Oct 1:00 Poland CE%sT 1977 Apr 3 1:00 - 1:00 W-Eur CE%sT + 1:00 W-Eur CE%sT 1999 # IATA SSIM (1991/1996) gives EU rules, but the _The Warsaw Voice_ -# -# http://www.contact.waw.pl/voice/v361/NewsInBrief.shtml (1995-09-24) +# +# http://www.warsawvoice.com/pl/v361/NewsInBrief.shtml (1995-09-24) # # says the autumn 1995 switch was at 02:00. # Stick with W-Eur for now. +# +# From Marcin.Kasperski@softax.com.pl (1999-06-10): +# According to my colleagues someone recently decided, that Poland would +# follow European Union regulations, so - I think - the matter is not +# worth further discussion. +# +# From Paul Eggert (1999-06-10): +# Kasperski also writes that the government futzed with the rules in 1997 +# or 1998 but he doesn't remember the details. Assume they switched to +# EU rules in 1999. + 1:00 EU CE%sT # Portugal # diff --git a/share/zoneinfo/leapseconds b/share/zoneinfo/leapseconds index 1cd114b91fbe..82a8ddf3f170 100644 --- a/share/zoneinfo/leapseconds +++ b/share/zoneinfo/leapseconds @@ -1,9 +1,10 @@ -# @(#)leapseconds 7.11 +# @(#)leapseconds 7.12 # Allowance for leapseconds added to each timezone file. # The International Earth Rotation Service periodically uses leap seconds -# to keep UTC to within 0.9 s of TAI (atomic time); see +# to keep UTC to within 0.9 s of UT1 +# (which measures the true angular orientation of the earth in space); see # Terry J Quinn, The BIPM and the accurate measure of time, # Proc IEEE 79, 7 (July 1991), 894-905. # There were no leap seconds before 1972, because the official mechanism diff --git a/share/zoneinfo/northamerica b/share/zoneinfo/northamerica index 8743f4b49ed6..c5453446475a 100644 --- a/share/zoneinfo/northamerica +++ b/share/zoneinfo/northamerica @@ -1,4 +1,4 @@ -# @(#)northamerica 7.44 +# @(#)northamerica 7.45 # also includes Central America and the Caribbean # This data is by no means authoritative; if you think you know better, @@ -7,12 +7,23 @@ # From Paul Eggert (1999-03-22): # A reliable and entertaining source about time zones is -# Derek Howse, Greenwich time and longitude, Antique Collectors Club (1997). +# Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997). ############################################################################### # United States +# From Paul Eggert (1999-03-31): +# Howse writes (pp 121-125) that time zones were invented by +# Professor Charles Ferdinand Dowd (1825-1904), +# Principal of Temple Grove Ladies' Seminary (Saratoga Springs, NY). +# His pamphlet ``A System of National Time for Railroads'' (1870) +# was the result of his proposals at the Convention of Railroad Trunk Lines +# in New York City (1869-10). His 1870 proposal was based on Washington, DC, +# but in 1872-05 he moved the proposed origin to Greenwich. +# His proposal was adopted by the railroads on 1883-11-18 at 12:00, +# and the most of the country soon followed suit. + # From Paul Eggert (1995-12-19): # A good source for time zone historical data in the US is # Thomas G. Shanks, The American Atlas (5th edition), @@ -293,6 +304,11 @@ Zone America/Boise -7:44:49 - LMT 1883 Nov 18 12:00 # Indiana # +# For a map of Indiana's time zone regions, see: +# +# What time is it in Indiana? +# (1999-04-06) +# # From Paul Eggert (1995-12-19): # Indiana generally observes either EST all year, or CST/CDT, # but areas near Cincinnati and Louisville use those cities' timekeeping @@ -398,9 +414,10 @@ Zone America/Louisville -5:43:02 - LMT 1883 Nov 18 12:00 # From Bob Devine (1988-01-28): # Michigan didn't observe DST from 1968 to 1973. # -# From Paul Eggert (1995-12-19): -# Shanks writes that Michigan started using standard time on 1885 Sep 18, -# but Howse writes that Detroit kept +# From Paul Eggert (1999-03-31): +# Shanks writes that Michigan started using standard time on 1885-09-18, +# but Howse writes (pp 124-125, referring to Popular Astronomy, 1901-01) +# that Detroit kept # # local time until 1900 when the City Council decreed that clocks should # be put back twenty-eight minutes to Central Standard Time. Half the diff --git a/share/zoneinfo/southamerica b/share/zoneinfo/southamerica index 35678b9027ad..bb3ae36dd1cb 100644 --- a/share/zoneinfo/southamerica +++ b/share/zoneinfo/southamerica @@ -1,10 +1,10 @@ -# @(#)southamerica 7.27 +# @(#)southamerica 7.28 # 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 (1996-11-22): +# From Paul Eggert (1999-07-07): # A good source for time zone historical data outside the U.S. is # Thomas G. Shanks, The International Atlas (4th edition), # San Diego: ACS Publications, Inc. (1995). @@ -18,16 +18,6 @@ # Except where otherwise noted, Shanks is the source for entries through 1990, # and IATA SSIM is the source for entries after 1990. # -# The following abbreviations are used in this file. -# Corrections are welcome! -# std dst -# LMT Local Mean Time -# -2:00 FST FDT Fernando de Noronha -# -3:00 EST EDT Eastern Brazil -# -4:00 WST WDT Western Brazil -# -4:00 AST ADT Atlantic -# -5:00 AST ADT Acre -# # Earlier editions of these tables used the North American style (e.g. ARST and # ARDT for Argentine Standard and Daylight Time), but the following quote # suggests that it's better to use European style (e.g. ART and ARST). @@ -36,15 +26,24 @@ # in Europe and South America. # -- E O Cutler, _New York Times_ (1937-02-14), quoted in # H L Mencken, _The American Language: Supplement I_ (1960), p 466 - - -# From Guy Harris: -# From Official Airline Guide - Worldwide Edition (1987). Countries not -# listed here do not observe DST, according to the OAG. Time zone names -# are pure inventions, and none are supplied for countries not observing -# DST; updates from natives would be appreciated. The times that DST -# starts and ends are based on the assumption that they switch a 2AM just -# as everybody else does. +# +# Earlier editions of these tables also used the North American style +# for time zones in Brazil, but this was incorrect, as Brazilians say +# "summer time". Reinaldo Goulart, a Sao Paulo businessman active in +# the railroad sector, writes (1999-07-06): +# The subject of time zones is currently a matter of discussion/debate in +# Brazil. Let's say that "the Brasilia time" is considered the +# "official time" because Brasilia is the capital city. +# The other three time zones are called "Brasilia time "minus one" or +# "plus one" or "plus two". As far as I know there is no such +# name/designation as "Eastern Time" or "Central Time". +# So I invented the following (English-language) abbreviations for now. +# Corrections are welcome! +# std dst +# -2:00 FNT FNST Fernando de Noronha +# -3:00 BRT BRST Brasilia +# -4:00 AMT AMST Amazon +# -5:00 ACT ACST Acre ############################################################################### @@ -253,18 +252,18 @@ Zone America/La_Paz -4:32:36 - LMT 1890 # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S # Decree 20,466 (1931-10-01) # Decree 21,896 (1932-01-10) -Rule Brazil 1931 only - Oct 3 11:00 1:00 D -Rule Brazil 1932 1933 - Apr 1 0:00 0 S -Rule Brazil 1932 only - Oct 3 0:00 1:00 D +Rule Brazil 1931 only - Oct 3 11:00 1:00 S +Rule Brazil 1932 1933 - Apr 1 0:00 0 - +Rule Brazil 1932 only - Oct 3 0:00 1:00 S # Decree 23,195 (1933-10-10) # revoked DST. # Decree 27,496 (1949-11-24) # Decree 27,998 (1950-04-13) -Rule Brazil 1949 1952 - Dec 1 0:00 1:00 D -Rule Brazil 1950 only - Apr 16 1:00 0 S -Rule Brazil 1951 1952 - Apr 1 0:00 0 S +Rule Brazil 1949 1952 - Dec 1 0:00 1:00 S +Rule Brazil 1950 only - Apr 16 1:00 0 - +Rule Brazil 1951 1952 - Apr 1 0:00 0 - # Decree 32,308 (1953-02-24) -Rule Brazil 1953 only - Mar 1 0:00 0 S +Rule Brazil 1953 only - Mar 1 0:00 0 - # Decree 34,724 (1953-11-30) # revoked DST. # Decree 52,700 (1963-10-18) @@ -272,52 +271,52 @@ Rule Brazil 1953 only - Mar 1 0:00 0 S # in SP, RJ, GB, MG, ES, due to the prolongation of the drought. # Decree 53,071 (1963-12-03) # extended the above decree to all of the national territory on 12-09. -Rule Brazil 1963 only - Dec 9 0:00 1:00 D +Rule Brazil 1963 only - Dec 9 0:00 1:00 S # Decree 53,604 (1964-02-25) # extended summer time by one day to 1964-03-01 00:00 (start of school). -Rule Brazil 1964 only - Mar 1 0:00 0 S +Rule Brazil 1964 only - Mar 1 0:00 0 - # Decree 55,639 (1965-01-27) -Rule Brazil 1965 only - Jan 31 0:00 1:00 D -Rule Brazil 1965 only - Mar 31 0:00 0 S +Rule Brazil 1965 only - Jan 31 0:00 1:00 S +Rule Brazil 1965 only - Mar 31 0:00 0 - # Decree 57,303 (1965-11-22) -Rule Brazil 1965 only - Dec 1 0:00 1:00 D +Rule Brazil 1965 only - Dec 1 0:00 1:00 S # Decree 57,843 (1966-02-18) -Rule Brazil 1966 1968 - Mar 1 0:00 0 S -Rule Brazil 1966 1967 - Nov 1 0:00 1:00 D +Rule Brazil 1966 1968 - Mar 1 0:00 0 - +Rule Brazil 1966 1967 - Nov 1 0:00 1:00 S # Decree 63,429 (1968-10-15) # revoked DST. # Decree 91,698 (1985-09-27) -Rule Brazil 1985 only - Nov 2 0:00 1:00 D +Rule Brazil 1985 only - Nov 2 0:00 1:00 S # Decree 92,310 (1986-01-21) # Decree 92,463 (1986-03-13) -Rule Brazil 1986 only - Mar 15 0:00 0 S +Rule Brazil 1986 only - Mar 15 0:00 0 - # Decree 93,316 (1986-10-01) -Rule Brazil 1986 only - Oct 25 0:00 1:00 D -Rule Brazil 1987 only - Feb 14 0:00 0 S +Rule Brazil 1986 only - Oct 25 0:00 1:00 S +Rule Brazil 1987 only - Feb 14 0:00 0 - # Decree 94,922 (1987-09-22) -Rule Brazil 1987 only - Oct 25 0:00 1:00 D -Rule Brazil 1988 only - Feb 7 0:00 0 S +Rule Brazil 1987 only - Oct 25 0:00 1:00 S +Rule Brazil 1988 only - Feb 7 0:00 0 - # Decree 96,676 (1988-09-12) # except for the states of AC, AM, PA, RR, RO, and AP (then a territory) -Rule Brazil 1988 only - Oct 16 0:00 1:00 D -Rule Brazil 1989 only - Jan 29 0:00 0 S +Rule Brazil 1988 only - Oct 16 0:00 1:00 S +Rule Brazil 1989 only - Jan 29 0:00 0 - # Decree 98,077 (1989-08-21) # with the same exceptions -Rule Brazil 1989 only - Oct 15 0:00 1:00 D -Rule Brazil 1990 only - Feb 11 0:00 0 S +Rule Brazil 1989 only - Oct 15 0:00 1:00 S +Rule Brazil 1990 only - Feb 11 0:00 0 - # Decree 99,530 (1990-09-17) # adopted by RS, SC, PR, SP, RJ, ES, MG, GO, MS, DF. # Decree 99,629 (1990-10-19) adds BA, MT. -Rule Brazil 1990 only - Oct 21 0:00 1:00 D -Rule Brazil 1991 only - Feb 17 0:00 0 S +Rule Brazil 1990 only - Oct 21 0:00 1:00 S +Rule Brazil 1991 only - Feb 17 0:00 0 - # Unnumbered decree (1991-09-25) # adopted by RS, SC, PR, SP, RJ, ES, MG, BA, GO, MT, MS, DF. -Rule Brazil 1991 only - Oct 20 0:00 1:00 D -Rule Brazil 1992 only - Feb 9 0:00 0 S +Rule Brazil 1991 only - Oct 20 0:00 1:00 S +Rule Brazil 1992 only - Feb 9 0:00 0 - # Unnumbered decree (1992-10-16) # adopted by same states. -Rule Brazil 1992 only - Oct 25 0:00 1:00 D -Rule Brazil 1993 only - Jan 31 0:00 0 S +Rule Brazil 1992 only - Oct 25 0:00 1:00 S +Rule Brazil 1993 only - Jan 31 0:00 0 - # Decree 942 (1993-09-28) # adopted by same states, plus AM. # Decree 1,252 (1994-09-22) @@ -326,13 +325,13 @@ Rule Brazil 1993 only - Jan 31 0:00 0 S # adopted by same states, plus TO. # Decree 1,674 (1995-10-13) # adds AL, SE. -Rule Brazil 1993 1995 - Oct Sun>=11 0:00 1:00 D -Rule Brazil 1994 1995 - Feb Sun>=15 0:00 0 S -Rule Brazil 1996 only - Feb 11 0:00 0 S +Rule Brazil 1993 1995 - Oct Sun>=11 0:00 1:00 S +Rule Brazil 1994 1995 - Feb Sun>=15 0:00 0 - +Rule Brazil 1996 only - Feb 11 0:00 0 - # Decree 2,000 (1996-09-04) # adopted by same states, minus AL, SE. -Rule Brazil 1996 only - Oct 6 0:00 1:00 D -Rule Brazil 1997 only - Feb 16 0:00 0 S +Rule Brazil 1996 only - Oct 6 0:00 1:00 S +Rule Brazil 1997 only - Feb 16 0:00 0 - # From Daniel C. Sobral (1998-02-12): # In 1997, the DS began on October 6. The stated reason was that # because international television networks ignored Brazil's policy on DS, @@ -347,79 +346,79 @@ Rule Brazil 1997 only - Feb 16 0:00 0 S # Church Net UK (1997-10-02). # # Decree 2,317 (1997-09-04), adopted by same states. -Rule Brazil 1997 only - Oct 6 0:00 1:00 D +Rule Brazil 1997 only - Oct 6 0:00 1:00 S # Decree 2,495 # (1998-02-10) -Rule Brazil 1998 only - Mar 1 0:00 0 S +Rule Brazil 1998 only - Mar 1 0:00 0 - # Decree 2,780 (1998-09-11) # adopted by the same states as before, # specifies only the 1998-10-11 and 1999-02-21 transitions; # after that, these rules are guesses and are quite possibly wrong, # but they are more likely than no DST at all. -Rule Brazil 1998 max - Oct Sun>=8 0:00 1:00 D -Rule Brazil 1999 max - Feb Sun>=15 0:00 0 S +Rule Brazil 1998 max - Oct Sun>=8 0:00 1:00 S +Rule Brazil 1999 max - Feb Sun>=15 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] # # Fernando de Noronha Zone America/Noronha -2:09:40 - LMT 1914 - -2:00 Brazil F%sT 1990 Jul - -2:00 - FST + -2:00 Brazil FN%sT 1990 Jul + -2:00 - FNT # # Amapa, east Para Zone America/Belem -3:13:56 - LMT 1914 - -3:00 Brazil E%sT 1988 Jul - -3:00 - EST + -3:00 Brazil BR%sT 1988 Jul + -3:00 - BRT # # Maranhao, Piaui, Ceara, Rio Grande do Norte, Paraiba, # Pernambuco (except Fernando de Noronha) Zone America/Fortaleza -2:34:00 - LMT 1914 - -3:00 Brazil E%sT 1990 Jul - -3:00 - EST + -3:00 Brazil BR%sT 1990 Jul + -3:00 - BRT # # Tocantins Zone America/Araguaina -3:12:48 - LMT 1914 - -3:00 Brazil E%sT 1990 Jul - -3:00 - EST 1995 Jul - -3:00 Brazil E%sT + -3:00 Brazil BR%sT 1990 Jul + -3:00 - BRT 1995 Jul + -3:00 Brazil BR%sT # # Alagoas, Sergipe Zone America/Maceio -2:22:52 - LMT 1914 - -3:00 Brazil E%sT 1990 Jul - -3:00 - EST 1995 Jul - -3:00 Brazil E%sT 1996 Jul - -3:00 - EST + -3:00 Brazil BR%sT 1990 Jul + -3:00 - BRT 1995 Jul + -3:00 Brazil BR%sT 1996 Jul + -3:00 - BRT # # Bahia, Goias, Distrito Federal, Minas Gerais, Espirito Santo, Rio de Janeiro, # Sao Paulo, Parana, Santa Catarina, Rio Grande do Sul Zone America/Sao_Paulo -3:06:28 - LMT 1914 - -3:00 Brazil E%sT 1963 Oct 23 00:00 - -3:00 - EDT 1964 - -3:00 Brazil E%sT + -3:00 Brazil BR%sT 1963 Oct 23 00:00 + -3:00 - BRST 1964 + -3:00 Brazil BR%sT # # Mato Grosso, Mato Grosso do Sul Zone America/Cuiaba -3:44:20 - LMT 1914 - -4:00 Brazil W%sT 1990 Jul - -4:00 - WST + -4:00 Brazil AM%sT 1990 Jul + -4:00 - AMT # # Roraima, west Para, Rondonia Zone America/Porto_Velho -4:15:36 - LMT 1914 - -4:00 Brazil W%sT 1988 Jul - -4:00 - WST + -4:00 Brazil AM%sT 1988 Jul + -4:00 - AMT # # Amazonas Zone America/Manaus -4:00:04 - LMT 1914 - -4:00 Brazil W%sT 1988 Jul - -4:00 - WST 1993 Jul - -4:00 Brazil W%sT 1994 Jul - -4:00 - WST + -4:00 Brazil AM%sT 1988 Jul + -4:00 - AMT 1993 Jul + -4:00 Brazil AM%sT 1994 Jul + -4:00 - AMT # # Acre # Rio_Branco is too ambiguous, since there's a Rio Branco in Uruguay too. Zone America/Porto_Acre -4:31:12 - LMT 1914 - -5:00 Brazil A%sT 1988 Jul - -5:00 - AST + -5:00 Brazil AC%sT 1988 Jul + -5:00 - ACT # # Martin Vaz and Trinidade are like America/Noronha.