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-rw-r--r--share/zoneinfo/southamerica123
1 files changed, 72 insertions, 51 deletions
diff --git a/share/zoneinfo/southamerica b/share/zoneinfo/southamerica
index 4e6743c9c614..e2b5896559e5 100644
--- a/share/zoneinfo/southamerica
+++ b/share/zoneinfo/southamerica
@@ -1,4 +1,4 @@
-# @(#)southamerica 7.42
+# @(#)southamerica 7.43
# 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
@@ -79,18 +79,11 @@ Rule Arg 1963 only - Oct 1 0:00 0 -
Rule Arg 1963 only - Dec 15 0:00 1:00 S
Rule Arg 1964 1966 - Mar 1 0:00 0 -
Rule Arg 1964 1966 - Oct 15 0:00 1:00 S
-Rule Arg 1967 only - Apr 1 0:00 0 -
+Rule Arg 1967 only - Apr 2 0:00 0 -
Rule Arg 1967 1968 - Oct Sun>=1 0:00 1:00 S
Rule Arg 1968 1969 - Apr Sun>=1 0:00 0 -
Rule Arg 1974 only - Jan 23 0:00 1:00 S
Rule Arg 1974 only - May 1 0:00 0 -
-Rule Arg 1974 1976 - Oct Sun>=1 0:00 1:00 S
-Rule Arg 1975 1977 - Apr Sun>=1 0:00 0 -
-Rule Arg 1985 only - Nov 2 0:00 1:00 S
-Rule Arg 1986 only - Mar 14 0:00 0 -
-Rule Arg 1986 1987 - Oct 25 0:00 1:00 S
-Rule Arg 1987 only - Feb 13 0:00 0 -
-Rule Arg 1988 only - Feb 7 0:00 0 -
Rule Arg 1988 only - Dec 1 0:00 1:00 S
#
# From Hernan G. Otero <hernan@isoft.com.ar> (1995-06-26):
@@ -148,76 +141,97 @@ Rule Arg 2000 only - Mar Sun>=1 0:00 0 -
# This kind of things had always been done this way in Argentina.
# We are still -03:00 all year round in all of the country.
#
+#
+# From Paul Eggert (2002-01-22):
+# <a href="http://www.spicasc.net/horvera.html">
+# Hora de verano para la Republica Argentina (2000-10-01)
+# </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.
+
+# Unless otherwise specified, data are from Shanks through 1992, from
+# the IATA otherwise. As noted below, Shanks says that
+# America/Cordoba split into 7 subregions during 1991/1992, but we
+# haven't verified this yet so for now we'll keep it a single region.
+#
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
#
# Buenos Aires (BA), Capital Federal (CF), Santa Cruz (SC),
# Tierra del Fuego, Antartida e Islas del Atlantico Sur (TF)
-Zone America/Buenos_Aires -3:53:48 - LMT 1894 Nov
- -4:16:44 - CMT 1920 May # Cordoba Mean Time
+Zone America/Buenos_Aires -3:53:48 - LMT 1894 Oct 31
+ -4:16:48 - CMT 1920 May # Cordoba Mean Time
-4:00 - ART 1930 Dec
-4:00 Arg AR%sT 1969 Oct 5
- -3:00 Arg AR%sT 1999 Oct 3 0:00
- -4:00 Arg AR%sT 2000 Mar 3 0:00
+ -3:00 Arg AR%sT 1999 Oct 3
+ -4:00 Arg AR%sT 2000 Mar 3
-3:00 - ART
#
# Santa Fe (SF), Entre Rios (ER), Corrientes (CN), Misiones (MN), Chaco (CC),
-# Formosa (FM), La Pampa (LP), Chubut (CH)
-Zone America/Rosario -4:02:40 - LMT 1894 Nov
- -4:16:44 - CMT 1920 May
- -4:00 - ART 1930 Dec
- -4:00 Arg AR%sT 1969 Oct 5
- -3:00 Arg AR%sT 1991 Jul
- -3:00 - ART 1999 Oct 3 0:00
- -4:00 Arg AR%sT 2000 Mar 3 0:00
- -3:00 - ART
-#
-# Cordoba (CB), Santiago del Estero (SE), Salta (SA), Tucuman (TM), La Rioja (LR), San Juan (SJ), San Luis (SL),
-# Neuquen (NQ), Rio Negro (RN)
-Zone America/Cordoba -4:16:44 - LMT 1894 Nov
- -4:16:44 - CMT 1920 May
+# Formosa (FM), Salta (SA), Tucuman (TM), Santiago del Estero (SE),
+# Cordoba (CB), La Rioja (LR), San Juan (SJ), San Luis (SL), La Pampa (LP),
+# Neuquen (NQ), Rio Negro (RN), Chubut (CH)
+#
+# Shanks also makes the following claims, which we haven't verified:
+# - Formosa switched to -3:00 on 1991-01-07.
+# - La Rioja and San Juan switched to -4:00 on 1991-03-01
+# and then to 03:00 on 1991-05-07.
+# - Misiones switched to -3:00 on 1990-12-29.
+# - Chaco switched to -3:00 on 1991-01-04.
+# - San Luis switched to -4:00 on 1990-03-14, then to -3:00 on 1990-10-15,
+# then to -4:00 on 1991-03-01, then to -3:00 on 1991-06-01.
+# - Santiago del Estero switched to -4:00 on 1991-04-01,
+# then to -3:00 on 1991-04-26.
+# If we need to add Zones for these areas, we may need to have a subdirectory
+# for Argentina, as e.g. "America/San_Luis" is too ambiguious.
+#
+Zone America/Cordoba -4:16:48 - LMT 1894 Oct 31
+ -4:16:48 - CMT 1920 May
-4:00 - ART 1930 Dec
-4:00 Arg AR%sT 1969 Oct 5
- -3:00 Arg AR%sT 1990 Jul
- -3:00 - ART 1999 Oct 3 0:00
- -4:00 Arg AR%sT 2000 Mar 3 0:00
+ -3:00 Arg AR%sT 1991 Mar 3
+ -4:00 - WART 1991 Oct 20
+ -3:00 Arg AR%sT 1999 Oct 3
+ -4:00 Arg AR%sT 2000 Mar 3
-3:00 - ART
#
# Jujuy (JY)
-Zone America/Jujuy -4:21:12 - LMT 1894 Nov
- -4:16:44 - CMT 1920 May
+Zone America/Jujuy -4:21:12 - LMT 1894 Oct 31
+ -4:16:48 - CMT 1920 May
-4:00 - ART 1930 Dec
-4:00 Arg AR%sT 1969 Oct 5
- -3:00 Arg AR%sT 1991 Mar 3
+ -3:00 Arg AR%sT 1990 Mar 4
+ -4:00 - WART 1990 Oct 28
+ -4:00 1:00 WARST 1991 Mar 17
-4:00 - WART 1991 Oct 6
- -4:00 1:00 WARST 1992 Mar 15
- -4:00 - WART 1992 Oct 18
- -3:00 - ART 1999 Oct 3 0:00
- -4:00 Arg AR%sT 2000 Mar 3 0:00
+ -3:00 1:00 ARST 1992
+ -3:00 Arg AR%sT 1999 Oct 3
+ -4:00 Arg AR%sT 2000 Mar 3
-3:00 - ART
#
# Catamarca (CT)
-Zone America/Catamarca -4:23:08 - LMT 1894 Nov
- -4:16:44 - CMT 1920 May
+Zone America/Catamarca -4:23:08 - LMT 1894 Oct 31
+ -4:16:48 - CMT 1920 May
-4:00 - ART 1930 Dec
-4:00 Arg AR%sT 1969 Oct 5
- -3:00 Arg AR%sT 1990 Jul
- -3:00 - ART 1991 Jul
- -3:00 Arg AR%sT 1992 Jul
- -3:00 - ART 1999 Oct 3 0:00
- -4:00 Arg AR%sT 2000 Mar 3 0:00
+ -3:00 Arg AR%sT 1991 Mar 3
+ -4:00 - WART 1991 Oct 20
+ -3:00 Arg AR%sT 1999 Oct 3
+ -4:00 Arg AR%sT 2000 Mar 3
-3:00 - ART
#
# Mendoza (MZ)
-Zone America/Mendoza -4:35:16 - LMT 1894 Nov
- -4:16:44 - CMT 1920 May
+Zone America/Mendoza -4:35:16 - LMT 1894 Oct 31
+ -4:16:48 - CMT 1920 May
-4:00 - ART 1930 Dec
-4:00 Arg AR%sT 1969 Oct 5
- -3:00 Arg AR%sT 1991 Mar 3
+ -3:00 Arg AR%sT 1990 Mar 4
+ -4:00 - WART 1990 Oct 15
+ -4:00 1:00 WARST 1991 Mar 1
-4:00 - WART 1991 Oct 15
-4:00 1:00 WARST 1992 Mar 1
-4:00 - WART 1992 Oct 18
- -3:00 - ART 1999 Oct 3 0:00
- -4:00 Arg AR%sT 2000 Mar 3 0:00
+ -3:00 Arg AR%sT 1999 Oct 3
+ -4:00 Arg AR%sT 2000 Mar 3
-3:00 - ART
# Aruba
@@ -729,12 +743,19 @@ Rule Para 1996 only - Mar 1 0:00 0 -
# 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 max - Oct Sun>=1 0:00 1:00 S
+Rule Para 1996 2001 - Oct Sun>=1 0:00 1:00 S
# IATA SSIM (1997-09) says Mar 1; go with Shanks.
Rule Para 1997 only - Feb lastSun 0:00 0 -
# Shanks says 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 max - Mar Sun>=1 0:00 0 -
+Rule Para 1998 2001 - Mar Sun>=1 0:00 0 -
+# From Rives McDow (2002-02-28):
+# A decree was issued in Paraguay (no. 16350) on 2002-02-26 that changed the
+# dst method to be from the first Sunday in September to the first Sunday in
+# April.
+Rule Para 2002 max - Apr Sun>=1 0:00 0 -
+Rule Para 2002 max - Sep Sun>=1 0:00 1:00 S
+
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone America/Asuncion -3:50:40 - LMT 1890