Commit 980afba4 authored by Garrett Wollman's avatar Garrett Wollman
Browse files

Vendor import tzdata2006g. Too many changes to summarize here; of

particular importance to those living in the Western Hemisphere as
many non-U.S. zones will be changing DST rules next year to match the
U.S.

Obtained from:	Arthur David Olson, ftp://elsie.nci.nih.gov/
parent c965fe6f
# @(#)africa 7.40
# @(#)africa 8.3
# <pre>
# This data is by no means authoritative; if you think you know better,
# go ahead and edit the file (and please send any changes to
# tz@elsie.nci.nih.gov for general use in the future).
# From Paul Eggert (1999-03-22):
# From Paul Eggert (2006-03-22):
#
# A good source for time zone historical data outside the U.S. is
# Thomas G. Shanks, The International Atlas (5th edition),
# San Diego: ACS Publications, Inc. (1999).
# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
# San Diego: ACS Publications, Inc. (2003).
#
# Gwillim Law writes that a good source
# for recent time zone data is the International Air Transport
......@@ -17,8 +17,8 @@
# published semiannually. Law sent in several helpful summaries
# of the IATA's data after 1990.
#
# Except where otherwise noted, Shanks is the source for entries through 1990,
# and IATA SSIM is the source for entries after 1990.
# Except where otherwise noted, Shanks & Pottenger is the source for
# entries through 1990, and IATA SSIM is the source for entries afterwards.
#
# Another source occasionally used is Edward W. Whitman, World Time Differences,
# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
......@@ -65,7 +65,7 @@
# Algeria
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Algeria 1916 only - Jun 14 23:00s 1:00 S
Rule Algeria 1916 1919 - Oct Sun<=7 23:00s 0 -
Rule Algeria 1916 1919 - Oct Sun>=1 23:00s 0 -
Rule Algeria 1917 only - Mar 24 23:00s 1:00 S
Rule Algeria 1918 only - Mar 9 23:00s 1:00 S
Rule Algeria 1919 only - Mar 1 23:00s 1:00 S
......@@ -75,7 +75,7 @@ Rule Algeria 1921 only - Mar 14 23:00s 1:00 S
Rule Algeria 1921 only - Jun 21 23:00s 0 -
Rule Algeria 1939 only - Sep 11 23:00s 1:00 S
Rule Algeria 1939 only - Nov 19 1:00 0 -
Rule Algeria 1944 1945 - Apr Mon<=7 2:00 1:00 S
Rule Algeria 1944 1945 - Apr Mon>=1 2:00 1:00 S
Rule Algeria 1944 only - Oct 8 2:00 0 -
Rule Algeria 1945 only - Sep 16 1:00 0 -
Rule Algeria 1971 only - Apr 25 23:00s 1:00 S
......@@ -86,7 +86,8 @@ Rule Algeria 1978 only - Mar 24 1:00 1:00 S
Rule Algeria 1978 only - Sep 22 3:00 0 -
Rule Algeria 1980 only - Apr 25 0:00 1:00 S
Rule Algeria 1980 only - Oct 31 2:00 0 -
# Shanks gives 0:09 for Paris Mean Time; go with Howse's more precise 0:09:21.
# Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's
# more precise 0:09:21.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Africa/Algiers 0:12:12 - LMT 1891 Mar 15 0:01
0:09:21 - PMT 1911 Mar 11 # Paris Mean Time
......@@ -106,7 +107,8 @@ Zone Africa/Luanda 0:52:56 - LMT 1892
1:00 - WAT
# Benin
# Whitman says they switched to 1:00 in 1946, not 1934; go with Shanks.
# Whitman says they switched to 1:00 in 1946, not 1934;
# go with Shanks & Pottenger.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Africa/Porto-Novo 0:10:28 - LMT 1912
0:00 - GMT 1934 Feb 26
......@@ -130,7 +132,7 @@ Zone Africa/Bujumbura 1:57:28 - LMT 1890
2:00 - CAT
# Cameroon
# Whitman says they switched to 1:00 in 1920; go with Shanks.
# Whitman says they switched to 1:00 in 1920; go with Shanks & Pottenger.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Africa/Douala 0:38:48 - LMT 1912
1:00 - WAT
......@@ -229,9 +231,9 @@ Zone Africa/Asmera 2:35:32 - LMT 1870
3:00 - EAT
# Ethiopia
# From Paul Eggert (1997-10-05):
# Shanks writes that Ethiopia had six narrowly-spaced time zones between
# 1870 and 1890, and that they merged to 38E50 (2:35:20) in 1890.
# From Paul Eggert (2006-03-22):
# Shanks & Pottenger write that Ethiopia had six narrowly-spaced time zones
# between 1870 and 1890, and that they merged to 38E50 (2:35:20) in 1890.
# We'll guess that 38E50 is for Adis Dera.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Africa/Addis_Ababa 2:34:48 - LMT 1870
......@@ -252,7 +254,8 @@ Zone Africa/Banjul -1:06:36 - LMT 1912
# Ghana
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
# Whitman says DST was observed from 1931 to ``the present''; go with Shanks.
# Whitman says DST was observed from 1931 to ``the present'';
# go with Shanks & Pottenger.
Rule Ghana 1936 1942 - Sep 1 0:00 0:20 GHST
Rule Ghana 1936 1942 - Dec 31 0:00 0 GMT
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
......@@ -288,13 +291,14 @@ Zone Africa/Maseru 1:50:00 - LMT 1903 Mar
2:00 - SAST
# Liberia
# From Paul Eggert (2001-07-17):
# From Paul Eggert (2006-03-22):
# In 1972 Liberia was the last country to switch
# from a UTC offset that was not a multiple of 15 or 20 minutes.
# Howse reports that it was in honor of their president's birthday.
# Shanks reports the date as May 1, whereas Howse reports Jan; go with Shanks.
# For Liberia before 1972, Shanks reports -0:44, whereas Howse and Whitman
# each report -0:44:30; go with the more precise figure.
# Shank & Pottenger report the date as May 1, whereas Howse reports Jan;
# go with Shanks & Pottenger.
# For Liberia before 1972, Shanks & Pottenger report -0:44, whereas Howse and
# Whitman each report -0:44:30; go with the more precise figure.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Africa/Monrovia -0:43:08 - LMT 1882
-0:43:08 - MMT 1919 Mar # Monrovia Mean Time
......@@ -324,7 +328,7 @@ Zone Africa/Tripoli 0:52:44 - LMT 1920
1:00 Libya CE%sT 1959
2:00 - EET 1982
1:00 Libya CE%sT 1990 May 4
# The following entries are all from Shanks;
# The following entries are from Shanks & Pottenger;
# the IATA SSIM data contain some obvious errors.
2:00 - EET 1996 Sep 30
1:00 - CET 1997 Apr 4
......@@ -403,8 +407,8 @@ Zone Africa/Maputo 2:10:20 - LMT 1903 Mar
2:00 - CAT
# Namibia
# The 1994-04-03 transition is from Shanks.
# Shanks reports no DST after 1998-04; go with IATA.
# The 1994-04-03 transition is from Shanks & Pottenger.
# Shanks & Pottenger report no DST after 1998-04; go with IATA.
# RULE NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Namibia 1994 max - Sep Sun>=1 2:00 1:00 S
Rule Namibia 1995 max - Apr Sun>=1 2:00 0 -
......@@ -488,7 +492,7 @@ Zone Indian/Mahe 3:41:48 - LMT 1906 Jun # Victoria
# Sierra Leone
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
# Whitman gives Mar 31 - Aug 31 for 1931 on; go with Shanks.
# Whitman gives Mar 31 - Aug 31 for 1931 on; go with Shanks & Pottenger.
Rule SL 1935 1942 - Jun 1 0:00 0:40 SLST
Rule SL 1935 1942 - Oct 1 0:00 0 WAT
Rule SL 1957 1962 - Jun 1 0:00 1:00 SLST
......@@ -557,7 +561,6 @@ Zone Africa/Lome 0:04:52 - LMT 1893
# Tunisia
# From Gwillim Law (2005-04-30):
#
# My correspondent, Risto Nykanen, has alerted me to another adoption of DST,
# this time in Tunisia. According to Yahoo France News
# <http://fr.news.yahoo.com/050426/5/4dumk.html>, in a story attributed to AP
......@@ -571,6 +574,12 @@ Zone Africa/Lome 0:04:52 - LMT 1893
# <http://www.lapresse.tn/archives/archives280405/actualites/lheure.html>
# ... DST for 2005: on: Sun May 1 0h standard time, off: Fri Sept. 30,
# 1h standard time.
#
# From Atef Loukil (2006-03-28):
# The daylight saving time will be the same each year:
# Beginning : the last Sunday of March at 02:00
# Ending : the last Sunday of October at 03:00 ...
# http://www.tap.info.tn/en/index.php?option=com_content&task=view&id=1188&Itemid=50
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Tunisia 1939 only - Apr 15 23:00s 1:00 S
......@@ -596,8 +605,11 @@ Rule Tunisia 1989 only - Mar 26 0:00s 1:00 S
Rule Tunisia 1990 only - May 1 0:00s 1:00 S
Rule Tunisia 2005 only - May 1 0:00s 1:00 S
Rule Tunisia 2005 only - Sep 30 1:00s 0 -
# Shanks gives 0:09 for Paris Mean Time; go with Howse's more precise 0:09:21.
# Shanks says the 1911 switch occurred on Mar 9; go with Howse's Mar 11.
Rule Tunisia 2006 max - Mar lastSun 2:00s 1:00 S
Rule Tunisia 2006 max - Oct lastSun 2:00s 0 -
# Shanks & Pottenger give 0:09:20 for Paris Mean Time; go with Howse's
# more precise 0:09:21.
# Shanks & Pottenger say the 1911 switch was on Mar 9; go with Howse's Mar 11.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Africa/Tunis 0:40:44 - LMT 1881 May 12
0:09:21 - PMT 1911 Mar 11 # Paris Mean Time
......
# @(#)antarctica 7.30
# @(#)antarctica 8.2
# <pre>
# From Paul Eggert (1999-11-15):
......@@ -34,12 +34,12 @@ Rule RussAQ 1996 max - Oct lastSun 2:00s 0 -
Rule ArgAQ 1964 1966 - Mar 1 0:00 0 -
Rule ArgAQ 1964 1966 - Oct 15 0:00 1:00 S
Rule ArgAQ 1967 only - Apr 1 0:00 0 -
Rule ArgAQ 1967 1968 - Oct Sun<=7 0:00 1:00 S
Rule ArgAQ 1968 1969 - Apr Sun<=7 0:00 0 -
Rule ArgAQ 1967 1968 - Oct Sun>=1 0:00 1:00 S
Rule ArgAQ 1968 1969 - Apr Sun>=1 0:00 0 -
Rule ArgAQ 1974 only - Jan 23 0:00 1:00 S
Rule ArgAQ 1974 only - May 1 0:00 0 -
Rule ArgAQ 1974 1976 - Oct Sun<=7 0:00 1:00 S
Rule ArgAQ 1975 1977 - Apr Sun<=7 0:00 0 -
Rule ArgAQ 1974 1976 - Oct Sun>=1 0:00 1:00 S
Rule ArgAQ 1975 1977 - Apr Sun>=1 0:00 0 -
Rule ChileAQ 1966 1997 - Oct Sun>=9 0:00 1:00 S
Rule ChileAQ 1967 1998 - Mar Sun>=9 0:00 0 -
Rule ChileAQ 1998 only - Sep 27 0:00 1:00 S
......
This diff is collapsed.
# @(#)australasia 7.78
# @(#)australasia 8.2
# <pre>
# This file also includes Pacific islands.
......@@ -210,7 +210,7 @@ Zone Indian/Christmas 7:02:52 - LMT 1895 Feb
7:00 - CXT # Christmas Island Time
# Cook Is
# From Shanks:
# From Shanks & Pottenger:
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Cook 1978 only - Nov 12 0:00 0:30 HS
Rule Cook 1979 1991 - Mar Sun>=1 0:00 0 -
......@@ -308,7 +308,7 @@ Zone Pacific/Nauru 11:07:40 - LMT 1921 Jan 15 # Uaobe
Rule NC 1977 1978 - Dec Sun>=1 0:00 1:00 S
Rule NC 1978 1979 - Feb 27 0:00 0 -
Rule NC 1996 only - Dec 1 2:00s 1:00 S
# Shanks says the following was at 2:00; go with IATA.
# Shanks & Pottenger say the following was at 2:00; go with IATA.
Rule NC 1997 only - Mar 2 2:00s 0 -
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Pacific/Noumea 11:05:48 - LMT 1912 Jan 13
......@@ -507,10 +507,10 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# go ahead and edit the file (and please send any changes to
# tz@elsie.nci.nih.gov for general use in the future).
# From Paul Eggert (1999-10-29):
# From Paul Eggert (2006-03-22):
# A good source for time zone historical data outside the U.S. is
# Thomas G. Shanks, The International Atlas (5th edition),
# San Diego: ACS Publications, Inc. (1999).
# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
# San Diego: ACS Publications, Inc. (2003).
#
# Gwillim Law writes that a good source
# for recent time zone data is the International Air Transport
......@@ -518,8 +518,8 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# published semiannually. Law sent in several helpful summaries
# of the IATA's data after 1990.
#
# Except where otherwise noted, Shanks is the source for entries through 1990,
# and IATA SSIM is the source for entries after 1990.
# Except where otherwise noted, Shanks & Pottenger is the source for
# entries through 1990, and IATA SSIM is the source for entries afterwards.
#
# Another source occasionally used is Edward W. Whitman, World Time Differences,
# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
......@@ -669,7 +669,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# understood in Australia.
# From Paul Eggert (1995-12-19):
# Shanks reports 2:00 for all autumn changes in Australia and New Zealand.
# Shanks & Pottenger report 2:00 for all autumn changes in Australia and NZ.
# Mark Prior writes that his newspaper
# reports that NSW's fall 1995 change will occur at 2:00,
# but Robert Elz says it's been 3:00 in Victoria since 1970
......@@ -842,14 +842,14 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# current DST ending dates, no worries.
#
# Rule Oz 1971 1985 - Oct lastSun 2:00 1:00 -
# Rule Oz 1986 max - Oct Sun<=24 2:00 1:00 -
# Rule Oz 1986 max - Oct Sun>=18 2:00 1:00 -
# Rule Oz 1972 only - Feb 27 3:00 0 -
# Rule Oz 1973 1986 - Mar Sun>=1 3:00 0 -
# Rule Oz 1987 max - Mar Sun<=21 3:00 0 -
# Rule Oz 1987 max - Mar Sun>=15 3:00 0 -
# Zone Australia/Tasmania 10:00 Oz EST
# Zone Australia/South 9:30 Oz CST
# Zone Australia/Victoria 10:00 Oz EST 1985 Oct lastSun 2:00
# 10:00 1:00 EST 1986 Mar Sun<=21 3:00
# 10:00 1:00 EST 1986 Mar Sun>=15 3:00
# 10:00 Oz EST
# From Robert Elz (1991-03-06):
......@@ -875,7 +875,7 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# ...
# Rule AS 1971 max - Oct lastSun 2:00 1:00 D
# Rule AS 1972 1985 - Mar Sun>=1 3:00 0 C
# Rule AS 1986 1990 - Mar Sun<=21 3:00 0 C
# Rule AS 1986 1990 - Mar Sun>=15 3:00 0 C
# Rule AS 1991 max - Mar Sun>=1 3:00 0 C
# From Bradley White (1992-03-11):
......@@ -1068,9 +1068,9 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# shown on clocks on LHI. I guess this means that for 30 minutes at the start
# of DST, LHI is actually 1 hour ahead of the rest of NSW.
# From Paul Eggert (2001-02-09):
# For Lord Howe dates we use Shanks through 1989, and Lonergan thereafter.
# For times we use Lonergan.
# From Paul Eggert (2006-03-22):
# For Lord Howe dates we use Shanks & Pottenger through 1989, and
# Lonergan thereafter. For times we use Lonergan.
###############################################################################
......@@ -1101,16 +1101,16 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# rather than the October 1 value.
# From Paul Eggert (1995-12-19);
# Shanks reports 2:00 for all autumn changes in Australia and New Zealand.
# Shank & Pottenger report 2:00 for all autumn changes in Australia and NZ.
# Robert Uzgalis writes that the New Zealand Daylight
# Savings Time Order in Council dated 1990-06-18 specifies 2:00 standard
# time on both the first Sunday in October and the third Sunday in March.
# As with Australia, we'll assume the tradition is 2:00s, not 2:00.
#
# From Paul Eggert (2003-05-26):
# From Paul Eggert (2006-03-22):
# The Department of Internal Affairs (DIA) maintains a brief history,
# as does Carol Squires; see tz-link.htm for the full references.
# Use these sources in preference to Shanks.
# Use these sources in preference to Shanks & Pottenger.
#
# For Chatham, IATA SSIM (1991/1999) gives the NZ rules but with
# transitions at 2:45 local standard time; this confirms that Chatham
......@@ -1185,8 +1185,8 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# ``I am certain, having lived there for the past decade, that "Truk"
# (now properly known as Chuuk) ... is in the time zone GMT+10.''
#
# Shanks writes that Truk switched from UTC+10 to UTC+11 on 1978-10-01;
# ignore this for now.
# Shanks & Pottenger write that Truk switched from UTC+10 to UTC+11
# on 1978-10-01; ignore this for now.
# From Paul Eggert (1999-10-29):
# The Federated States of Micronesia Visitors Board writes in
......@@ -1279,8 +1279,8 @@ Zone Pacific/Wallis 12:15:20 - LMT 1901
# 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 Paul Eggert (2006-03-22):
# Shanks & Pottenger say 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
......
# @(#)backward 7.30
# @(#)backward 8.1
# This file provides links between current names for time zones
# and their old names. Many names changed in late 1993.
......
# @(#)etcetera 7.12
# @(#)etcetera 8.1
# These entries are mostly present for historical reasons, so that
# people in areas not otherwise covered by the tz files could "zic -l"
......
This diff is collapsed.
# @(#)factory 7.3
# @(#)factory 8.1
# For companies who don't want to put time zone specification in
# their installation procedures. When users run date, they'll get the message.
......
# ISO 3166 alpha-2 country codes
#
# @(#)iso3166.tab 1.17
# @(#)iso3166.tab 8.1
#
# From Paul Eggert (2004-06-14):
#
......
# @(#)leapseconds 7.20
# @(#)leapseconds 8.1
# Allowance for leapseconds added to each timezone file.
......
This diff is collapsed.
# @(#)pacificnew 7.10
# @(#)pacificnew 8.1
# From Arthur David Olson (1989-04-05):
# On 1989-04-05, the U. S. House of Representatives passed (238-154) a bill
......
# @(#)solar87 7.4
# @(#)solar87 8.1
# So much for footnotes about Saudi Arabia.
# Apparent noon times below are for Riyadh; your mileage will vary.
......
# @(#)solar88 7.4
# @(#)solar88 8.1
# Apparent noon times below are for Riyadh; they're a bit off for other places.
# Times were computed using formulas in the U.S. Naval Observatory's
......
# @(#)solar89 7.5
# @(#)solar89 8.1
# Apparent noon times below are for Riyadh; they're a bit off for other places.
# Times were computed using a formula provided by the U. S. Naval Observatory:
......
# @(#)southamerica 7.66
# @(#)southamerica 8.3
# <pre>
# This data is by no means authoritative; if you think you know better,
# go ahead and edit the file (and please send any changes to
# tz@elsie.nci.nih.gov for general use in the future).
# From Paul Eggert (1999-07-07):
# From Paul Eggert (2006-03-22):
# A good source for time zone historical data outside the U.S. is
# Thomas G. Shanks, The International Atlas (5th edition),
# San Diego: ACS Publications, Inc. (1999).
# Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
# San Diego: ACS Publications, Inc. (2003).
#
# Gwillim Law writes that a good source
# for recent time zone data is the International Air Transport
......@@ -16,8 +16,8 @@
# published semiannually. Law sent in several helpful summaries
# of the IATA's data after 1990.
#
# Except where otherwise noted, Shanks is the source for entries through 1990,
# and IATA SSIM is the source for entries after 1990.
# Except where otherwise noted, Shanks & Pottenger is the source for
# entries through 1990, and IATA SSIM is the source for entries afterwards.
#
# 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
......@@ -92,8 +92,6 @@ Rule Arg 1988 only - Dec 1 0:00 1:00 S
# obtaining the data from the:
# Talleres de Hidrografia Naval Argentina
# (Argentine Naval Hydrography Institute)
#
# Shanks stops after 1992-03-01; go with Otero.
Rule Arg 1989 1993 - Mar Sun>=1 0:00 0 -
Rule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 S
#
......@@ -150,12 +148,12 @@ Rule Arg 2000 only - Mar Sun>=1 0:00 0 -
# It's Law No. 7,210. This change is due to a public power emergency, so for
# now we'll assume it's for this year only.
#
# From Paul Eggert (2002-01-22):
# From Paul Eggert (2006-03-22):
# <a href="http://www.spicasc.net/horvera.html">
# Hora de verano para la Republica Argentina (2000-10-01)
# Hora de verano para la Republica Argentina (2003-06-08)
# </a> says that standard time in Argentina from 1894-10-31
# to 1920-05-01 was -4:16:48.25. Go with this more-precise value
# over Shanks.
# over Shanks & Pottenger.
#
# From Mariano Absatz (2004-06-05):
# These media articles from a major newspaper mostly cover the current state:
......@@ -202,8 +200,8 @@ Rule Arg 2000 only - Mar Sun>=1 0:00 0 -
# http://www.sanjuan.gov.ar/prensa/archivo/000426.html
# http://www.sanjuan.gov.ar/prensa/archivo/000441.html
# Unless otherwise specified, data are from Shanks through 1992, from
# the IATA otherwise. As noted below, Shanks says that
# Unless otherwise specified, data are from Shanks & Pottenger through 1992,
# from the IATA otherwise. As noted below, Shanks & Pottenger say that
# America/Cordoba split into 6 subregions during 1991/1992, but we
# haven't verified this yet so for now we'll keep it a single region.
#
......@@ -222,7 +220,7 @@ Zone America/Argentina/Buenos_Aires -3:53:48 - LMT 1894 Oct 31
# Formosa (FM), Salta (SA), Santiago del Estero (SE), Cordoba (CB),
# San Luis (SL), La Pampa (LP), Neuquen (NQ), Rio Negro (RN)
#
# Shanks also makes the following claims, which we haven't verified:
# Shanks & Pottenger also make the following claims, which we haven't verified:
# - Formosa switched to -3:00 on 1991-01-07.
# - Misiones switched to -3:00 on 1990-12-29.
# - Chaco switched to -3:00 on 1991-01-04.
......@@ -712,7 +710,7 @@ Zone America/Rio_Branco -4:31:12 - LMT 1914
# It clearly confirms my earlier suggestion, that DST begins at 22:00
# on Easter Island.... But it also seems to be saying that the
# observance of DST in Chile began in 1966, rather than 1969 as
# ... [Shanks] has it....
# ... [Shanks & Pottenger have] it....
#
# My translation:
#
......@@ -724,8 +722,8 @@ Zone America/Rio_Branco -4:31:12 - LMT 1914
# to Easter Island and Sala y Gomez Island, will be set forward at
# midnight and at 22:00, respectively, by 20 minutes."
# From Paul Eggert (2001-05-04):
# Go with this article in preference to Shanks's 1969 date for modern DST.
# From Paul Eggert (2006-03-22):
# Go with Law in preference to Shanks & Pottenger's 1969 date for modern DST.
# Assume this rule has been used since DST was introduced in the islands.
# From Paul Eggert (2002-10-24):
......@@ -752,7 +750,7 @@ Zone America/Santiago -4:42:40 - LMT 1890
-4:00 Chile CL%sT
Zone Pacific/Easter -7:17:28 - LMT 1890 # Mataveri
-7:17:28 - MMT 1932 Sep # Mataveri Mean Time
-7:00 Chile EAS%sT 1982 Mar 14 # Easter I Time
-7:00 Chile EAS%sT 1982 Mar 13 21:00 # Easter I Time
-6:00 Chile EAS%sT
#
# Sala y Gomez Island is like Pacific/Easter.
......@@ -760,11 +758,9 @@ Zone Pacific/Easter -7:17:28 - LMT 1890 # Mataveri
# San Felix, and Antarctic bases, are like America/Santiago.
# Colombia
# Shanks specifies 24:00 for 1992 transition times; go with IATA,
# as it seems implausible to change clocks at midnight New Year's Eve.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule CO 1992 only - May 2 0:00 1:00 S
Rule CO 1992 only - Dec 31 0:00 0 -
Rule CO 1992 only - May 3 0:00 1:00 S
Rule CO 1993 only - Apr 4 0:00 0 -
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone America/Bogota -4:56:20 - LMT 1884 Mar 13
-4:56:20 - BMT 1914 Nov 23 # Bogota Mean Time
......@@ -773,10 +769,21 @@ Zone America/Bogota -4:56:20 - LMT 1884 Mar 13
# no information; probably like America/Bogota
# Curacao
# Shanks says that Bottom and Oranjestad have been at -4:00 since
# standard time was introduced on 1912-03-02; and that Kralendijk and Rincon
# used Kralendijk Mean Time (-4:33:08) from 1912-02-02 to 1965-01-01.
# This all predates our 1970 cutoff, though.
#
# From Paul Eggert (2006-03-22):
# Shanks & Pottenger say that The Bottom and Philipsburg have been at
# -4:00 since standard time was introduced on 1912-03-02; and that
# Kralendijk and Rincon used Kralendijk Mean Time (-4:33:08) from
# 1912-02-02 to 1965-01-01. The former is dubious, since S&P also say
# Saba Island has been like Curacao.
# This all predates our 1970 cutoff, though.
#
# By July 2007 Curacao and St Maarten are planned to become
# associated states within the Netherlands, much like Aruba;
# Bonaire, Saba and St Eustatius would become directly part of the
# Netherlands as Kingdom Islands. This won't affect their time zones
# though, as far as we know.
#
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone America/Curacao -4:35:44 - LMT 1912 Feb 12 # Willemstad
-4:30 - ANT 1965 # Netherlands Antilles Time
......@@ -793,9 +800,9 @@ Zone Pacific/Galapagos -5:58:24 - LMT 1931 # Puerto Baquerizo Moreno
# Falklands
# From Paul Eggert (2001-03-05):
# Between 1990 and 2000 inclusive, Shanks and the IATA agree except
# the IATA gives 1996-09-08. Go with Shanks.
# From Paul Eggert (2006-03-22):
# Between 1990 and 2000 inclusive, Shanks & Pottenger and the IATA agree except
# the IATA gives 1996-09-08. Go with Shanks & Pottenger.
# From Falkland Islands Government Office, London (2001-01-22)
# via Jesper Norgaard:
......@@ -878,9 +885,9 @@ Zone America/Guyana -3:52:40 - LMT 1915 Mar # Georgetown
-4:00 - GYT
# Paraguay
# From Paul Eggert (1999-10-29):
# Shanks (1999) says that spring transitions are from 01:00 -> 02:00,
# and autumn transitions are from 00:00 -> 23:00. Go with earlier
# From Paul Eggert (2006-03-22):
# Shanks & Pottenger say that spring transitions are from 01:00 -> 02:00,
# and autumn transitions are from 00:00 -> 23:00. Go with pre-1999
# editions of Shanks, and with the IATA, who say transitions occur at 00:00.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Para 1975 1988 - Oct 1 0:00 1:00 S
......@@ -915,9 +922,9 @@ Rule Para 1996 only - Mar 1 0:00 0 -
# http://gateway.abc.com.py:8000/pub/pag04.mbr/artic?FHA=2001-03-03-02.24.52.900592
#
Rule Para 1996 2001 - Oct Sun>=1 0:00 1:00 S
# IATA SSIM (1997-09) says Mar 1; go with Shanks.
# IATA SSIM (1997-09) says Mar 1; go with Shanks & Pottenger.
Rule Para 1997 only - Feb lastSun 0:00 0 -
# Shanks says 1999-02-28; IATA SSIM (1999-02) says 1999-02-27, but
# Shanks & Pottenger say 1999-02-28; IATA SSIM (1999-02) says 1999-02-27, but
# (1999-09) reports no date; go with above sources and Gerd Knops (2001-02-27).
Rule Para 1998 2001 - Mar Sun>=1 0:00 0 -
# From Rives McDow (2002-02-28):
......@@ -949,8 +956,8 @@ Zone America/Asuncion -3:50:40 - LMT 1890
# When we were in Peru in 1985-1986, they apparently switched over
# sometime between December 29 and January 3 while we were on the Amazon.
#
# From Paul Eggert (2003-11-02):
# Shanks doesn't have this transition. Assume 1986 was like 1987.
# From Paul Eggert (2006-03-22):
# Shanks & Pottenger don't have this transition. Assume 1986 was like 1987.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Peru 1938 only - Jan 1 0:00 1:00 S
......@@ -961,7 +968,7 @@ Rule Peru 1986 1987 - Jan 1 0:00 1:00 S
Rule Peru 1986 1987 - Apr 1 0:00 0 -
Rule Peru 1990 only - Jan 1 0:00 1:00 S
Rule Peru 1990 only - Apr 1 0:00 0 -
# IATA is ambiguous for 1993/1995; go with Shanks.
# IATA is ambiguous for 1993/1995; go with Shanks & Pottenger.
Rule Peru 1994 only - Jan 1 0:00 1:00 S
Rule Peru 1994 only - Apr 1 0:00 0 -
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
......@@ -994,23 +1001,23 @@ Zone America/Port_of_Spain -4:06:04 - LMT 1912 Mar 2
# Uruguay
# From Paul Eggert (1993-11-18):
# Uruguay wins the prize for the strangest peacetime manipulation of the rules.
# From Shanks:
# From Shanks & Pottenger:
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
# Whitman gives 1923 Oct 1; go with Shanks.
# Whitman gives 1923 Oct 1; go with Shanks & Pottenger.
Rule Uruguay 1923 only - Oct 2 0:00 0:30 HS
Rule Uruguay 1924 1926 - Apr 1 0:00 0 -
Rule Uruguay 1924 1925 - Oct 1 0:00 0:30 HS
Rule Uruguay 1933 1935 - Oct lastSun 0:00 0:30 HS
# Shanks gives 1935 Apr 1 0:00 and 1936 Mar 30 0:00; go with Whitman.
# Shanks & Pottenger give 1935 Apr 1 0:00 & 1936 Mar 30 0:00; go with Whitman.
Rule Uruguay 1934 1936 - Mar Sat>=25 23:30s 0 -
Rule Uruguay 1936 only - Nov 1 0:00 0:30 HS
Rule Uruguay 1937 1941 - Mar lastSun 0:00 0 -
# Whitman gives 1937 Oct 3; go with Shanks.
# Whitman gives 1937 Oct 3; go with Shanks & Pottenger.
Rule Uruguay 1937 1940 - Oct lastSun 0:00 0:30 HS
# Whitman gives 1941 Oct 24 - 1942 Mar 27, 1942 Dec 14 - 1943 Apr 13,
# and 1943 Apr 13 ``to present time''; go with Shanks.
Rule Uruguay 1941 only - Aug 1 0:00 0 -
Rule Uruguay 1942 only - Jan 1 0:00 0:30 HS
# and 1943 Apr 13 ``to present time''; go with Shanks & Pottenger.
Rule Uruguay 1941 only - Aug 1 0:00 0:30 HS
Rule Uruguay 1942 only - Jan 1 0:00 0 -
Rule Uruguay 1942 only - Dec 14 0:00 1:00 S
Rule Uruguay 1943 only - Mar 14 0:00 0 -
Rule Uruguay 1959 only - May 24 0:00 1:00 S
......@@ -1036,7 +1043,7 @@ Rule Uruguay 1988 only - Mar 14 0:00 0 -
Rule Uruguay 1988 only - Dec 11 0:00 1:00 S
Rule Uruguay 1989 only - Mar 12 0:00 0 -
Rule Uruguay 1989 only - Oct 29 0:00 1:00 S
# Shanks says no DST was observed in 1990/1 and 1991/2,
# Shanks & Pottenger say no DST was observed in 1990/1 and 1991/2,
# and that 1992/3's DST was from 10-25 to 03-01. Go with IATA.
Rule Uruguay 1990 1992 - Mar Sun>=1 0:00 0 -
Rule Uruguay 1990 1991 - Oct Sun>=21 0:00 1:00 S
......
# @(#)systemv 7.5
# @(#)systemv 8.1
# Old rules, should the need arise.
# No attempt is made to handle Newfoundland, since it cannot be expressed
......
#! /bin/sh
: '@(#)yearistype.sh 7.8'
: '@(#)yearistype.sh 8.1'
case $#-$1 in
2-|2-0*