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- # %W%
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+ # @(#)southamerica 8.6
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# <pre>
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# This data is by no means authoritative; if you think you know better,
@@ -704,53 +704,64 @@ Zone America/Rio_Branco -4:31:12 - LMT 1914
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# Because of the same drought, the government decided to end DST later,
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# on April 3, (one-time change).
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- # From Gwillim Law (2001-05-04):
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- # I came across another article in "La Tercera" about Chilean DST.
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- # <http://www.tercera.cl/diario/2000/10/13/t-extras.html>
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- # It clearly confirms my earlier suggestion, that DST begins at 22:00
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- # on Easter Island.... But it also seems to be saying that the
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- # observance of DST in Chile began in 1966, rather than 1969 as
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- # ... [Shanks & Pottenger have] it....
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- #
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- # My translation:
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- #
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- # "The Chilean Army has announced that summer time will begin tomorrow,
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- # Saturday, October 14 in continental Chile, insular Chile, and
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- # Antarctica, as provided by Supreme Decree 25 of January 11, 1966.
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- # By the preceding, official time in continental Chile and Chilean
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- # Antarctic, and official time in Western Insular Chile, which applies
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- # to Easter Island and Sala y Gomez Island, will be set forward at
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- # midnight and at 22:00, respectively, by 20 minutes."
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+ # From Oscar van Vlijmen (2006-10-08):
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+ # http://www.horaoficial.cl/cambio.htm
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- # From Paul Eggert (2006-03-22):
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- # Go with Law in preference to Shanks & Pottenger's 1969 date for modern DST.
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- # Assume this rule has been used since DST was introduced in the islands.
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+ # From Jesper Norgaard Welen (2006-10-08):
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+ # I think that there are some obvious mistakes in the suggested link
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+ # from Oscar van Vlijmen,... for instance entry 66 says that GMT-4
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+ # ended 1990-09-12 while entry 67 only begins GMT-3 at 1990-09-15
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+ # (they should have been 1990-09-15 and 1990-09-16 respectively), but
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+ # anyhow it clears up some doubts too.
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- # From Paul Eggert (2002-10-24):
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- # <http://www.shoa.cl/shoa/faqhoraoficial.htm> gives many details that
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- # disagree with the following table, but we haven't had time to compare them.
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+ # The following data are from <http://www.horaoficial.cl/horaof.htm>
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+ # (2006-09-20), transcribed by Jesper Norgaard Welen.
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# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
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- Rule Chile 1918 only - Sep 1 0:00 1:00 S
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- Rule Chile 1919 only - Jul 2 0:00 0 -
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- Rule Chile 1927 1931 - Sep 1 0:00 1:00 S
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+ Rule Chile 1927 1932 - Sep 1 0:00 1:00 S
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Rule Chile 1928 1932 - Apr 1 0:00 0 -
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- Rule Chile 1966 1997 - Oct Sun>=9 4:00u 1:00 S
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- Rule Chile 1967 1998 - Mar Sun>=9 3:00u 0 -
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+ Rule Chile 1942 only - Jun 1 4:00u 0 -
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+ Rule Chile 1942 only - Aug 1 5:00u 1:00 S
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+ Rule Chile 1946 only - Jul 15 4:00u 1:00 S
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+ Rule Chile 1946 only - Sep 1 3:00u 0:00 -
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+ Rule Chile 1947 only - Apr 1 4:00u 0 -
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+ Rule Chile 1968 only - Nov 3 4:00u 1:00 S
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+ Rule Chile 1969 only - Mar 30 3:00u 0 -
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+ Rule Chile 1969 only - Nov 23 4:00u 1:00 S
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+ Rule Chile 1970 only - Mar 29 3:00u 0 -
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+ Rule Chile 1971 only - Mar 14 3:00u 0 -
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+ Rule Chile 1970 1972 - Oct Sun>=9 4:00u 1:00 S
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+ Rule Chile 1972 1986 - Mar Sun>=9 3:00u 0 -
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+ Rule Chile 1973 only - Sep 30 4:00u 1:00 S
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+ Rule Chile 1974 1987 - Oct Sun>=9 4:00u 1:00 S
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+ Rule Chile 1987 only - Apr 12 3:00u 0 -
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+ Rule Chile 1988 1989 - Mar Sun>=9 3:00u 0 -
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+ Rule Chile 1988 only - Oct Sun>=1 4:00u 1:00 S
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+ Rule Chile 1989 only - Oct Sun>=9 4:00u 1:00 S
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+ Rule Chile 1990 only - Mar 18 3:00u 0 -
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+ Rule Chile 1990 only - Sep 16 4:00u 1:00 S
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+ Rule Chile 1991 1996 - Mar Sun>=9 3:00u 0 -
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+ Rule Chile 1991 1997 - Oct Sun>=9 4:00u 1:00 S
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+ Rule Chile 1997 only - Mar 30 3:00u 0 -
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+ Rule Chile 1998 only - Mar Sun>=9 3:00u 0 -
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Rule Chile 1998 only - Sep 27 4:00u 1:00 S
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Rule Chile 1999 only - Apr 4 3:00u 0 -
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Rule Chile 1999 max - Oct Sun>=9 4:00u 1:00 S
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Rule Chile 2000 max - Mar Sun>=9 3:00u 0 -
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- # IATA SSIM anomalies: (1990-09) says 1990-09-16; ( 1992-02) says 1992-03-14;
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+ # IATA SSIM anomalies: (1992-02) says 1992-03-14;
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# (1996-09) says 1998-03-08. Ignore these.
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# Zone NAME GMTOFF RULES FORMAT [UNTIL]
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- Zone America/Santiago -4:42:40 - LMT 1890
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- -4:42:40 - SMT 1910 # Santiago Mean Time
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- -5:00 Chile CL%sT 1932 Sep # Chile Time
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+ Zone America/Santiago -4:42:46 - LMT 1890
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+ -4:42:46 - SMT 1910 # Santiago Mean Time
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+ -5:00 - CLT 1916 Jul 1 # Chile Time
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+ -4:42:46 - SMT 1918 Sep 1 # Santiago Mean Time
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+ -4:00 - CLT 1919 Jul 1 # Chile Time
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+ -4:42:46 - SMT 1927 Sep 1 # Santiago Mean Time
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+ -5:00 Chile CL%sT 1947 May 22 # Chile Time
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-4:00 Chile CL%sT
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Zone Pacific/Easter -7:17:28 - LMT 1890 # Mataveri
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-7:17:28 - MMT 1932 Sep # Mataveri Mean Time
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- -7:00 Chile EAS%sT 1982 Mar 13 21:00 # Easter I Time
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+ -7:00 Chile EAS%sT 1982 Jan 18 21:00 # Easter I Time
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-6:00 Chile EAS%sT
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#
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# Sala y Gomez Island is like Pacific/Easter.
@@ -918,9 +929,6 @@ Rule Para 1996 only - Mar 1 0:00 0 -
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# year, the time will change on the first Sunday of October; likewise, the
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# clock will be set back on the first Sunday of March.
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#
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- # From Jesper Norgaard (2001-03-06) [an official URL saying similar things]:
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- # http://gateway.abc.com.py:8000/pub/pag04.mbr/artic?FHA=2001-03-03-02.24.52.900592
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- #
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Rule Para 1996 2001 - Oct Sun>=1 0:00 1:00 S
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# IATA SSIM (1997-09) says Mar 1; go with Shanks & Pottenger.
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Rule Para 1997 only - Feb lastSun 0:00 0 -
@@ -938,7 +946,9 @@ Rule Para 2002 2003 - Sep Sun>=1 0:00 1:00 S
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# There are several sources that claim that Paraguay made
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# a timezone rule change in autumn 2004.
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# From Steffen Thorsen (2005-01-05):
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- # Decree 1,867 (2004-03-05) <http://www.labor.com.py/noticias.asp?id=27>
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+ # Decree 1,867 (2004-03-05)
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+ # From Carlos Raul Perasso via Jesper Norgaard Welen (2006-10-13)
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+ # <http://www.presidencia.gov.py/decretos/D1867.pdf>
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Rule Para 2004 max - Oct Sun>=15 0:00 1:00 S
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Rule Para 2005 max - Mar Sun>=8 0:00 0 -
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