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Diffstat (limited to 'share/zoneinfo/southamerica')
| -rw-r--r-- | share/zoneinfo/southamerica | 106 |
1 files changed, 64 insertions, 42 deletions
diff --git a/share/zoneinfo/southamerica b/share/zoneinfo/southamerica index 2980d0f573d3..7aec8b6b8b25 100644 --- a/share/zoneinfo/southamerica +++ b/share/zoneinfo/southamerica @@ -1,4 +1,4 @@ -# %W% +# @(#)southamerica 8.11 # <pre> # This data is by no means authoritative; if you think you know better, @@ -704,52 +704,68 @@ Zone America/Rio_Branco -4:31:12 - LMT 1914 # Because of the same drought, the government decided to end DST later, # on April 3, (one-time change). -# From Gwillim Law (2001-05-04): -# I came across another article in "La Tercera" about Chilean DST. -# <http://www.tercera.cl/diario/2000/10/13/t-extras.html> -# 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 & Pottenger have] it.... -# -# My translation: -# -# "The Chilean Army has announced that summer time will begin tomorrow, -# Saturday, October 14 in continental Chile, insular Chile, and -# Antarctica, as provided by Supreme Decree 25 of January 11, 1966. -# By the preceding, official time in continental Chile and Chilean -# Antarctic, and official time in Western Insular Chile, which applies -# to Easter Island and Sala y Gomez Island, will be set forward at -# midnight and at 22:00, respectively, by 20 minutes." +# From Oscar van Vlijmen (2006-10-08): +# http://www.horaoficial.cl/cambio.htm -# 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 Jesper Norgaard Welen (2006-10-08): +# I think that there are some obvious mistakes in the suggested link +# from Oscar van Vlijmen,... for instance entry 66 says that GMT-4 +# ended 1990-09-12 while entry 67 only begins GMT-3 at 1990-09-15 +# (they should have been 1990-09-15 and 1990-09-16 respectively), but +# anyhow it clears up some doubts too. -# From Paul Eggert (2002-10-24): -# <http://www.shoa.cl/shoa/faqhoraoficial.htm> gives many details that -# disagree with the following table, but we haven't had time to compare them. +# From Paul Eggert (2006-12-27): +# The following data for Chile and America/Santiago are from +# <http://www.horaoficial.cl/horaof.htm> (2006-09-20), transcribed by +# Jesper Norgaard Welen. The data for Pacific/Easter are from Shanks +# & Pottenger, except with DST transitions after 1932 cloned from +# America/Santiago. The pre-1980 Pacific/Easter data are dubious, +# but we have no other source. # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -Rule Chile 1918 only - Sep 1 0:00 1:00 S -Rule Chile 1919 only - Jul 2 0:00 0 - -Rule Chile 1927 1931 - Sep 1 0:00 1:00 S +Rule Chile 1927 1932 - Sep 1 0:00 1:00 S Rule Chile 1928 1932 - Apr 1 0:00 0 - -Rule Chile 1966 1997 - Oct Sun>=9 4:00u 1:00 S -Rule Chile 1967 1998 - Mar Sun>=9 3:00u 0 - +Rule Chile 1942 only - Jun 1 4:00u 0 - +Rule Chile 1942 only - Aug 1 5:00u 1:00 S +Rule Chile 1946 only - Jul 15 4:00u 1:00 S +Rule Chile 1946 only - Sep 1 3:00u 0:00 - +Rule Chile 1947 only - Apr 1 4:00u 0 - +Rule Chile 1968 only - Nov 3 4:00u 1:00 S +Rule Chile 1969 only - Mar 30 3:00u 0 - +Rule Chile 1969 only - Nov 23 4:00u 1:00 S +Rule Chile 1970 only - Mar 29 3:00u 0 - +Rule Chile 1971 only - Mar 14 3:00u 0 - +Rule Chile 1970 1972 - Oct Sun>=9 4:00u 1:00 S +Rule Chile 1972 1986 - Mar Sun>=9 3:00u 0 - +Rule Chile 1973 only - Sep 30 4:00u 1:00 S +Rule Chile 1974 1987 - Oct Sun>=9 4:00u 1:00 S +Rule Chile 1987 only - Apr 12 3:00u 0 - +Rule Chile 1988 1989 - Mar Sun>=9 3:00u 0 - +Rule Chile 1988 only - Oct Sun>=1 4:00u 1:00 S +Rule Chile 1989 only - Oct Sun>=9 4:00u 1:00 S +Rule Chile 1990 only - Mar 18 3:00u 0 - +Rule Chile 1990 only - Sep 16 4:00u 1:00 S +Rule Chile 1991 1996 - Mar Sun>=9 3:00u 0 - +Rule Chile 1991 1997 - Oct Sun>=9 4:00u 1:00 S +Rule Chile 1997 only - Mar 30 3:00u 0 - +Rule Chile 1998 only - Mar Sun>=9 3:00u 0 - Rule Chile 1998 only - Sep 27 4:00u 1:00 S Rule Chile 1999 only - Apr 4 3:00u 0 - Rule Chile 1999 max - Oct Sun>=9 4:00u 1:00 S Rule Chile 2000 max - Mar Sun>=9 3:00u 0 - -# IATA SSIM anomalies: (1990-09) says 1990-09-16; (1992-02) says 1992-03-14; +# IATA SSIM anomalies: (1992-02) says 1992-03-14; # (1996-09) says 1998-03-08. Ignore these. # Zone NAME GMTOFF RULES FORMAT [UNTIL] -Zone America/Santiago -4:42:40 - LMT 1890 - -4:42:40 - SMT 1910 # Santiago Mean Time - -5:00 Chile CL%sT 1932 Sep # Chile Time +Zone America/Santiago -4:42:46 - LMT 1890 + -4:42:46 - SMT 1910 # Santiago Mean Time + -5:00 - CLT 1916 Jul 1 # Chile Time + -4:42:46 - SMT 1918 Sep 1 # Santiago Mean Time + -4:00 - CLT 1919 Jul 1 # Chile Time + -4:42:46 - SMT 1927 Sep 1 # Santiago Mean Time + -5:00 Chile CL%sT 1947 May 22 # Chile Time -4:00 Chile CL%sT -Zone Pacific/Easter -7:17:28 - LMT 1890 # Mataveri - -7:17:28 - MMT 1932 Sep # Mataveri Mean Time +Zone Pacific/Easter -7:17:44 - LMT 1890 + -7:17:28 - EMT 1932 Sep # Easter Mean Time -7:00 Chile EAS%sT 1982 Mar 13 21:00 # Easter I Time -6:00 Chile EAS%sT # @@ -770,26 +786,33 @@ Zone America/Bogota -4:56:20 - LMT 1884 Mar 13 # Curacao # -# From Paul Eggert (2006-03-22): +# 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. +# 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 -4:00 - AST # Ecuador +# +# From Paul Eggert (2007-03-04): +# Apparently Ecuador had a failed experiment with DST in 1992. +# <http://midena.gov.ec/content/view/1261/208/> (2007-02-27) and +# <http://www.hoy.com.ec/NoticiaNue.asp?row_id=249856> (2006-11-06) both +# talk about "hora Sixto". Leave this alone for now, as we have no data. +# # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Guayaquil -5:19:20 - LMT 1890 -5:14:00 - QMT 1931 # Quito Mean Time @@ -918,9 +941,6 @@ Rule Para 1996 only - Mar 1 0:00 0 - # year, the time will change on the first Sunday of October; likewise, the # clock will be set back on the first Sunday of March. # -# From Jesper Norgaard (2001-03-06) [an official URL saying similar things]: -# 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 & Pottenger. Rule Para 1997 only - Feb lastSun 0:00 0 - @@ -938,7 +958,9 @@ Rule Para 2002 2003 - Sep Sun>=1 0:00 1:00 S # There are several sources that claim that Paraguay made # a timezone rule change in autumn 2004. # From Steffen Thorsen (2005-01-05): -# Decree 1,867 (2004-03-05) <http://www.labor.com.py/noticias.asp?id=27> +# Decree 1,867 (2004-03-05) +# From Carlos Raul Perasso via Jesper Norgaard Welen (2006-10-13) +# <http://www.presidencia.gov.py/decretos/D1867.pdf> Rule Para 2004 max - Oct Sun>=15 0:00 1:00 S Rule Para 2005 max - Mar Sun>=8 0:00 0 - |