From 764f54ee764c51a494be78b184de066a86ad7181 Mon Sep 17 00:00:00 2001 From: wollman Date: Thu, 21 Jan 1999 21:55:55 +0000 Subject: Merge the 1999a revision of the timezone data files. There are a number of important changes to European and South and Central American countries which should be back-ported to 3.x. Obtained from: ftp://elsie.nci.nih.gov/pub/tzdata1999a.tar.gz --- share/zoneinfo/southamerica | 117 +++++++++++++++++++++++++++++++++++++------- 1 file changed, 99 insertions(+), 18 deletions(-) (limited to 'share/zoneinfo/southamerica') diff --git a/share/zoneinfo/southamerica b/share/zoneinfo/southamerica index 09e0aa6..3f0cf8c 100644 --- a/share/zoneinfo/southamerica +++ b/share/zoneinfo/southamerica @@ -1,4 +1,4 @@ -# @(#)southamerica 7.18 +# @(#)southamerica 7.25 # 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 @@ -6,8 +6,8 @@ # From Paul Eggert (1996-11-22): # A good source for time zone historical data outside the U.S. is -# Thomas G. Shanks, The International Atlas (3rd edition), -# San Diego: ACS Publications, Inc. (1991). +# Thomas G. Shanks, The International Atlas (4th edition), +# San Diego: ACS Publications, Inc. (1995). # # Gwillim Law writes that a good source # for recent time zone data is the International Air Transport @@ -28,7 +28,6 @@ # -4:00 AST ADT Atlantic # -5:00 AST ADT Acre # -# See the `africa' file for time zone naming and abbreviation conventions. # 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). @@ -185,14 +184,6 @@ Zone America/La_Paz -4:32:36 - LMT 1890 # Brazil -# From Guy Harris: -# The OAG lists 1987-10-25 and 1988-02-12 as the starting and -# ending dates, giving them as "estimated date(s) based on previous year". We -# infer a rule here from one example, always a dangerous practice.... Yes, -# they really do switch on Saturday, according to the OAG. -# "[America/Porto_Acre]" is for the Territory of Acre; -# "[America/Noronha]" is for Fernando De Noronha. - # From Paul Eggert (1993-11-18): # The mayor of Rio recently attempted to change the time zone rules # just in his city, in order to leave more summer time for the tourist trade. @@ -243,35 +234,110 @@ Zone America/La_Paz -4:32:36 - LMT 1890 # Sao Paulo (UTC-3) and Cuiaba (UTC-4) always observed DST. # Porto Acre (UTC-5) stopped observing DST in mid-1988. +# From Rodrigo Feher (1998-01-17): +# Reading "southamerica" file in timezone 7.55 I've found an +# error. Line 193 say "Territory of Acre". It is not a territory anymore +# but a state. + +# From Marcos Tadeu (1998-09-27): +# +# Brazilian official page +# +# +# From Paul Eggert (1998-09-28): +# The official decrees referenced below are taken from +# +# Decretos sobre o Horario de Verao no Brasil +# (1998-09-25, in Portuguese). +# I don't read Portuguese, and haven't been able to verify them against +# the Shanks and IATA data; there do seem to be minor discrepancies. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S +# Decree 20.466 (1931-01-10) +# 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 +# Decree 23.195 (1933-10-10) +# revoked DST. +# Decree 27.496 (1949-11-24) +# Decree 27.998 (1950-04-13) +# Decree 32.308 (1953-02-24) Rule Brazil 1949 1952 - Dec 1 0:00 1:00 D Rule Brazil 1950 only - Apr 16 0:00 0 S Rule Brazil 1951 1953 - Apr 1 0:00 0 S +# Decree 34.724 (1953-11-30) +# revoked DST. +# Decree 52.700 (1963-10-18) +# Decree 53.071 (1963-12-03) Rule Brazil 1963 only - Dec 9 0:00 1:00 D +# Decree 53.604 (1964-02-25) Rule Brazil 1964 only - Mar 1 0:00 0 S +# Decree 55.639 (1965-01-27) Rule Brazil 1965 only - Jan 31 0:00 1:00 D Rule Brazil 1965 only - Apr 1 0:00 0 S +# Decree 57.303 (1965-11-22) Rule Brazil 1965 only - Dec 1 0:00 1:00 D +# 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 +# Decree 63.429 (1968-10-15) +# Decree 91.698 (1985-09-27) Rule Brazil 1985 only - Nov 2 0:00 1:00 D +# Decree 92.310 (1986-01-21) +# Decree 92.463 (1986-03-13) Rule Brazil 1986 only - Mar 15 0:00 0 S +# Decree 93.316 (1986-10-01) +# Decree 94.922 (1987-09-22) Rule Brazil 1986 1987 - Oct Sat<=28 0:00 1:00 D Rule Brazil 1987 only - Feb 14 0:00 0 S Rule Brazil 1988 only - Feb 7 0:00 0 S +# Decree 96.676 (1988-09-12) +# Decree 98.077 (1989-08-21) +# Decree 99.530 (1990-09-17) +# Decree 99.629 (1990-10-19) +# Unnumbered decree (1991-09-25): +# Unnumbered decree (1992-10-16): Rule Brazil 1989 only - Jan 22 0:00 0 S Rule Brazil 1988 1989 - Oct Sun>=10 0:00 1:00 D Rule Brazil 1990 1991 - Feb Sun>=11 0:00 0 S Rule Brazil 1990 1992 - Oct Sun>=20 0:00 1:00 D Rule Brazil 1992 only - Feb 9 0:00 0 S +# Decree 942 (1993-09-28) +# Decree 1.252 (1994-09-22) +# Decree 1.636 (1995-09-14) +# Decree 1.674 (1995-10-13) Rule Brazil 1993 1995 - Oct Sun>=11 0:00 1:00 D Rule Brazil 1993 only - Jan 31 0:00 0 S Rule Brazil 1994 1995 - Feb Sun>=15 0:00 0 S -Rule Brazil 1996 max - Feb Sun>=11 0:00 0 S -Rule Brazil 1996 max - Oct Sun>=1 0:00 1:00 D +# Decree 2.000 (1996-09-04) +Rule Brazil 1996 only - Feb Sun>=11 0:00 0 S +Rule Brazil 1996 only - Oct Sun>=1 0:00 1:00 D +# 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, +# they bought the wrong times on satellite for coverage of Pope's visit. +# This year, the ending date of DS was postponed to March 1 +# to help dealing with the shortages of electric power. +# +# From Paul Eggert (1998-02-25): +# +# Brazil Prepares for Papal Visit +# , +# Church Net UK (1997-10-02). +# +# Decree 2.317 (1997-09-04) +Rule Brazil 1997 only - Oct 6 0:00 1:00 D +# Decree 2.495 +# (1998-02-10) +Rule Brazil 1998 only - Mar 1 0:00 0 S +# Decree 2.780 (1998-09-11) +# 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>=11 0:00 1:00 D +Rule Brazil 1999 max - Feb Sun>=15 0:00 0 S + # Zone NAME GMTOFF RULES FORMAT [UNTIL] # @@ -289,6 +355,8 @@ Zone America/Fortaleza -2:34:00 - LMT 1914 -3:00 - EST # # Alagoas, Sergipe, Tocantins +# IATA SSIM (1996/1998) keeps bouncing back and forth as to whether +# Alagoas and Sergipe observe DST. For now, continue to assume that they do. Zone America/Maceio -2:22:52 - LMT 1914 -3:00 - EST 1963 Dec 9 -3:00 Brazil E%sT 1990 Jul @@ -326,14 +394,20 @@ Zone America/Porto_Acre -4:31:12 - LMT 1914 # From Eduardo Krell (1995-10-19): # The law says to switch to DST at midnight [24:00] on the second SATURDAY # of October.... The law is the same for March and October. +# (1998-09-29): +# Because of the drought this year, the government decided to go into +# DST earlier (saturday 9/26 at 24:00). This is a one-time change only ... +# (unless there's another dry season next year, I guess). # 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 1928 1932 - Apr 1 0:00 0 - -Rule Chile 1969 max - Oct Sun>=9 0:00 1:00 S +Rule Chile 1969 1997 - Oct Sun>=9 0:00 1:00 S Rule Chile 1970 max - Mar Sun>=9 0:00 0 - +Rule Chile 1998 only - Sep 27 0:00 1:00 S +Rule Chile 1999 max - Oct Sun>=9 0:00 1:00 S # IATA SSIM anomalies: (1990-09) says 1990-09-16; (1992-02) says 1992-03-14; # (1996-09) says 1998-03-08. Ignore these for now. # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -354,6 +428,7 @@ Zone Pacific/Easter -7:17:28 - LMT 1890 # Mataveri # Colombia # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule CO 1992 only - May 2 0:00 1:00 S +# Shanks (1995) estimates 1993-04-03 24:00 for this; go with IATA. Rule CO 1992 only - Dec 31 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Bogota -4:56:20 - LMT 1884 Mar 13 @@ -363,6 +438,10 @@ Zone America/Bogota -4:56:20 - LMT 1884 Mar 13 # no information; probably like America/Bogota # Curacao +# Shanks (1995) 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. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Curacao -4:35:44 - LMT 1912 Feb 12 # Willemstad -4:30 - ANT 1965 # Netherlands Antilles Time @@ -437,9 +516,11 @@ Rule Para 1992 only - Oct 5 0:00 1:00 S Rule Para 1993 only - Mar 31 0:00 0 - Rule Para 1993 1995 - Oct 1 0:00 1:00 S Rule Para 1994 1995 - Feb lastSun 0:00 0 - -Rule Para 1996 max - Mar 1 0:00 0 - -Rule Para 1996 only - Oct 6 0:00 1:00 S -Rule Para 1997 max - Oct 1 0:00 1:00 S +Rule Para 1996 1998 - Mar 1 0:00 0 - +Rule Para 1996 max - Oct Sun>=1 0:00 1:00 S +# IATA SSIM (1998-02) claims that the 1999 switch will be on 02-27. +# Assume this is a typo, and that 02-28 was meant. +Rule Para 1999 max - Feb lastSun 0:00 0 - # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Asuncion -3:50:40 - LMT 1890 -3:50:40 - AMT 1931 Oct 10 # Asuncion Mean Time -- cgit v1.1