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-rw-r--r--timezone/southamerica45
1 files changed, 37 insertions, 8 deletions
diff --git a/timezone/southamerica b/timezone/southamerica
index 13bd5270e8..912491049b 100644
--- a/timezone/southamerica
+++ b/timezone/southamerica
@@ -1,4 +1,4 @@
-# @(#)southamerica	7.52
+# @(#)southamerica	7.54
 
 # 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
@@ -186,6 +186,20 @@ Rule	Arg	2000	only	-	Mar	Sun>=1	0:00	0	-
 # contains a contradiction.  I would give more credence to the Saturday/Sunday
 # date than the "three days earlier" phrase, and conclude that Tierra del
 # Fuego set its clocks back at 2004-05-30 00:00.
+#
+# From Steffen Thorsen (2004-10-05):
+# The previous law 7210 which changed the province of Mendoza's time zone
+# back in May have been modified slightly in a new law 7277, which set the
+# new end date to 2004-09-26 (original date was 2004-10-17).
+# http://www.gobernac.mendoza.gov.ar/boletin/pdf/20040924-27244-normas.pdf
+#
+# From Mariano Absatz (2004-10-05):
+# San Juan changed from UTC-03:00 to UTC-04:00 at midnight between
+# Sunday, May 30th and Monday, May 31st.  It changed back to UTC-03:00
+# at midnight between Saturday, July 24th and Sunday, July 25th....
+# http://www.sanjuan.gov.ar/prensa/archivo/000329.html
+# 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
@@ -261,8 +275,8 @@ Zone America/Argentina/San_Juan -4:34:04 - LMT	1894 Oct 31
 			-4:00	-	WART	1991 May  7
 			-3:00	Arg	AR%sT	1999 Oct  3
 			-4:00	Arg	AR%sT	2000 Mar  3
-			-3:00	-	ART	2004 Jun  1
-			-4:00	-	WART	2004 Oct 17
+			-3:00	-	ART	2004 May 31
+			-4:00	-	WART	2004 Jul 25
 			-3:00	-	ART
 #
 # Jujuy (JY)
@@ -306,7 +320,7 @@ Zone America/Argentina/Mendoza -4:35:16 - LMT	1894 Oct 31
 			-3:00	Arg	AR%sT	1999 Oct  3
 			-4:00	Arg	AR%sT	2000 Mar  3
 			-3:00	-	ART	2004 May 23
-			-4:00	-	WART	2004 Oct 17
+			-4:00	-	WART	2004 Sep 26
 			-3:00	-	ART
 #
 # Chubut (CH)
@@ -420,6 +434,11 @@ Zone	America/La_Paz	-4:32:36 -	LMT	1890
 # the Government decided to postpone DST, instead of changing the Constitution
 # (maybe, for the next elections, it will be possible to change the clock)...
 
+# From Rodrigo Severo (2004-10-04):
+# It's just the biannual change made necessary by the much hyped, supposedly
+# modern Brazilian eletronic voting machines which, apparently, can't deal
+# with a time change between the first and the second rounds of the elections.
+
 # From Paul Eggert (2002-10-10):
 # The official decrees referenced below are mostly taken from
 # <a href="http://pcdsh01.on.br/DecHV.html">
@@ -556,11 +575,15 @@ Rule	Brazil	2001	max	-	Feb	Sun>=15	 0:00	0	-
 Rule	Brazil	2002	only	-	Nov	 3	 0:00	1:00	S
 # Decree 4,844 (2003-09-24; corrected 2003-09-26) repeals DST in BA, MT, TO.
 # <a href="http://www.presidencia.gov.br/CCIVIL/decreto/2003/D4844.htm"></a>
-Rule	Brazil	2003	max	-	Oct	Sun>=15	 0:00	1:00	S
+Rule	Brazil	2003	only	-	Oct	19	 0:00	1:00	S
+# Decree 5,223 (2004-10-01) reestablishes DST in MT.
+# <a href="http://www.planalto.gov.br/ccivil_03/_Ato2004-2006/2004/Decreto/D5223.htm"></a>
+Rule	Brazil	2004	only	-	Nov	 2	 0:00	1:00	S
 # The latest ruleset listed above says that the following states observe DST:
-# DF, ES, GO, MG, MS, PR, RJ, RS, SC, SP.
+# DF, ES, GO, MG, MS, MT, PR, RJ, RS, SC, SP.
 #
-# For dates after mid-2004, the above rules with TO="max" are guesses
+Rule	Brazil	2005	max	-	Oct	Sun>=15	 0:00	1:00	S
+# For dates after mid-2005, the above rules with TO="max" are guesses
 # and are quite possibly wrong, but are more likely than no DST at all.
 
 
@@ -648,7 +671,8 @@ Zone America/Campo_Grande -3:38:28 -	LMT	1914
 # Mato Grosso (MT)
 Zone America/Cuiaba	-3:44:20 -	LMT	1914
 			-4:00	Brazil	AM%sT	2003 Sep 24
-			-4:00	-	AMT
+			-4:00	-	AMT	2004 Oct  4
+			-4:00	Brazil	AM%sT
 #
 # west Para (PA), Rondonia (RO)
 # West Para includes Altamira, Oribidos, Prainha, Oriximina, and Santarem.
@@ -1029,6 +1053,11 @@ Rule	Uruguay	1990	1992	-	Mar	Sun>=1	 0:00	0	-
 Rule	Uruguay	1990	1991	-	Oct	Sun>=21	 0:00	1:00	S
 Rule	Uruguay	1992	only	-	Oct	18	 0:00	1:00	S
 Rule	Uruguay	1993	only	-	Feb	28	 0:00	0	-
+# From Eduardo Cota (2004-09-20):
+# The uruguayan government has decreed a change in the local time....
+# http://www.presidencia.gub.uy/decretos/2004091502.htm
+Rule	Uruguay	2004	only	-	Sep	Sun>=15	 0:00	1:00	S
+Rule	Uruguay	2005	only	-	Mar	Sun>=8	 0:00	0	-
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone America/Montevideo	-3:44:44 -	LMT	1898 Jun 28
 			-3:44:44 -	MMT	1920 May  1	# Montevideo MT