From f68bfda6383fdac2e0fa027c5b3b05b51ef2fa1c Mon Sep 17 00:00:00 2001 From: Sascha Wildner Date: Sun, 31 Jan 2010 05:37:20 +0100 Subject: [PATCH] Sync zoneinfo database with tzdata2010b from elsie. northamerica: 8.28 -> 8.30 zone.tab: 8.31 -> 8.33 Beginning in 2010, several Mexican cities near the north border will share their DST schedule with the United States. This requires splitting up several zones (adding new ones for those cities). --- share/zoneinfo/northamerica | 100 +++++++++++++++++++++++++++++++++++++++++--- share/zoneinfo/zone.tab | 11 +++-- 2 files changed, 102 insertions(+), 9 deletions(-) diff --git a/share/zoneinfo/northamerica b/share/zoneinfo/northamerica index ae0622807a..8d2c80b42b 100644 --- a/share/zoneinfo/northamerica +++ b/share/zoneinfo/northamerica @@ -1,5 +1,5 @@ # 
-# @(#)northamerica	8.28
+# @(#)northamerica	8.30
 # This file is in the public domain, so clarified as of
 # 2009-05-17 by Arthur David Olson.
 
@@ -1955,6 +1955,58 @@ Zone America/Dawson	-9:17:40 -	LMT	1900 Aug 20
 # http://www.conae.gob.mx/ahorro/horaver2001_m1_2002.html (2002-02-20)
 # confirms this.  Sonora as usual is the only state where DST is not applied.
 
+# From Steffen Thorsen (2009-12-28):
+#
+# Steffen Thorsen wrote:
+# > Mexico's House of Representatives has approved a proposal for northern
+# > Mexico's border cities to share the same daylight saving schedule as
+# > the United States.
+# Now this has passed both the Congress and the Senate, so starting from
+# 2010, some border regions will be the same:
+# 
+# http://www.signonsandiego.com/news/2009/dec/28/clocks-will-match-both-sides-border/
+# 
+# 
+# http://www.elmananarey.com/diario/noticia/nacional/noticias/empatan_horario_de_frontera_con_eu/621939
+# 
+# (Spanish)
+#
+# Could not find the new law text, but the proposed law text changes are here:
+# 
+# http://gaceta.diputados.gob.mx/Gaceta/61/2009/dic/20091210-V.pdf
+# 
+# (Gaceta Parlamentaria)
+#
+# There is also a list of the votes here:
+# 
+# http://gaceta.diputados.gob.mx/Gaceta/61/2009/dic/V2-101209.html
+# 
+#
+# Our page:
+# 
+# http://www.timeanddate.com/news/time/north-mexico-dst-change.html
+# 
+
+# From Arthur David Olson (2010-01-20):
+# The page
+# 
+# http://dof.gob.mx/nota_detalle.php?codigo=5127480&fecha=06/01/2010
+# 
+# includes this text:
+# En los municipios fronterizos de Tijuana y Mexicali en Baja California;
+# Juárez y Ojinaga en Chihuahua; Acuña y Piedras Negras en Coahuila;
+# Anáhuac en Nuevo León; y Nuevo Laredo, Reynosa y Matamoros en
+# Tamaulipas, la aplicación de este horario estacional surtirá efecto
+# desde las dos horas del segundo domingo de marzo y concluirá a las dos
+# horas del primer domingo de noviembre.
+# En los municipios fronterizos que se encuentren ubicados en la franja
+# fronteriza norte en el territorio comprendido entre la línea
+# internacional y la línea paralela ubicada a una distancia de veinte
+# kilómetros, así como la Ciudad de Ensenada, Baja California, hacia el
+# interior del país, la aplicación de este horario estacional surtirá
+# efecto desde las dos horas del segundo domingo de marzo y concluirá a
+# las dos horas del primer domingo de noviembre.
+
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Mexico	1939	only	-	Feb	5	0:00	1:00	D
 Rule	Mexico	1939	only	-	Jun	25	0:00	0	S
@@ -1981,13 +2033,19 @@ Zone America/Merida	-5:58:28 -	LMT	1922 Jan  1  0:01:32
 			-6:00	-	CST	1981 Dec 23
 			-5:00	-	EST	1982 Dec  2
 			-6:00	Mexico	C%sT
-# Coahuila, Durango, Nuevo Leon, Tamaulipas
+# Coahuila, Durango, Nuevo Leon, Tamaulipas (near US border)
+Zone America/Matamoros	-6:40:00 -	LMT	1921 Dec 31 23:20:00
+			-6:00	-	CST	1988
+			-6:00	US	C%sT	1989
+			-6:00	Mexico	C%sT	2010
+			-6:00	US	C%sT
+# Coahuila, Durango, Nuevo Leon, Tamaulipas (away from US border)
 Zone America/Monterrey	-6:41:16 -	LMT	1921 Dec 31 23:18:44
 			-6:00	-	CST	1988
 			-6:00	US	C%sT	1989
 			-6:00	Mexico	C%sT
 # Central Mexico
-Zone America/Mexico_City -6:36:36 -	LMT	1922 Jan  1  0:23:24
+Zone America/Mexico_City -6:36:36 -	LMT	1922 Jan  1 0:23:24
 			-7:00	-	MST	1927 Jun 10 23:00
 			-6:00	-	CST	1930 Nov 15
 			-7:00	-	MST	1931 May  1 23:00
@@ -1996,7 +2054,19 @@ Zone America/Mexico_City -6:36:36 -	LMT	1922 Jan  1  0:23:24
 			-6:00	Mexico	C%sT	2001 Sep 30 02:00
 			-6:00	-	CST	2002 Feb 20
 			-6:00	Mexico	C%sT
-# Chihuahua
+# Chihuahua (near US border)
+Zone America/Ojinaga	-6:57:40 -	LMT	1922 Jan 1 0:02:20
+			-7:00	-	MST	1927 Jun 10 23:00
+			-6:00	-	CST	1930 Nov 15
+			-7:00	-	MST	1931 May  1 23:00
+			-6:00	-	CST	1931 Oct
+			-7:00	-	MST	1932 Apr  1
+			-6:00	-	CST	1996
+			-6:00	Mexico	C%sT	1998
+			-6:00	-	CST	1998 Apr Sun>=1 3:00
+			-7:00	Mexico	M%sT	2010
+			-7:00	US	M%sT
+# Chihuahua (away from US border)
 Zone America/Chihuahua	-7:04:20 -	LMT	1921 Dec 31 23:55:40
 			-7:00	-	MST	1927 Jun 10 23:00
 			-6:00	-	CST	1930 Nov 15
@@ -2030,7 +2100,7 @@ Zone America/Mazatlan	-7:05:40 -	LMT	1921 Dec 31 23:54:20
 			-7:00	-	MST	1949 Jan 14
 			-8:00	-	PST	1970
 			-7:00	Mexico	M%sT
-# Baja California
+# Baja California (near US border)
 Zone America/Tijuana	-7:48:04 -	LMT	1922 Jan  1  0:11:56
 			-7:00	-	MST	1924
 			-8:00	-	PST	1927 Jun 10 23:00
@@ -2048,6 +2118,26 @@ Zone America/Tijuana	-7:48:04 -	LMT	1922 Jan  1  0:11:56
 			-8:00	US	P%sT	1996
 			-8:00	Mexico	P%sT	2001
 			-8:00	US	P%sT	2002 Feb 20
+			-8:00	Mexico	P%sT	2010
+			-8:00	US	P%sT
+# Baja California (away from US border)
+Zone America/Santa_Isabel	-7:39:28 -	LMT	1922 Jan  1  0:20:32
+			-7:00	-	MST	1924
+			-8:00	-	PST	1927 Jun 10 23:00
+			-7:00	-	MST	1930 Nov 15
+			-8:00	-	PST	1931 Apr  1
+			-8:00	1:00	PDT	1931 Sep 30
+			-8:00	-	PST	1942 Apr 24
+			-8:00	1:00	PWT	1945 Aug 14 23:00u
+			-8:00	1:00	PPT	1945 Nov 12 # Peace
+			-8:00	-	PST	1948 Apr  5
+			-8:00	1:00	PDT	1949 Jan 14
+			-8:00	-	PST	1954
+			-8:00	CA	P%sT	1961
+			-8:00	-	PST	1976
+			-8:00	US	P%sT	1996
+			-8:00	Mexico	P%sT	2001
+			-8:00	US	P%sT	2002 Feb 20
 			-8:00	Mexico	P%sT
 # From Paul Eggert (2006-03-22):
 # Formerly there was an America/Ensenada zone, which differed from
diff --git a/share/zoneinfo/zone.tab b/share/zoneinfo/zone.tab
index 8193c450cc..2792d57eca 100644
--- a/share/zoneinfo/zone.tab
+++ b/share/zoneinfo/zone.tab
@@ -1,5 +1,5 @@
 # 
-# @(#)zone.tab	8.31
+# @(#)zone.tab	8.33
 # This file is in the public domain, so clarified as of
 # 2009-05-17 by Arthur David Olson.
 #
@@ -279,11 +279,14 @@ MW	-1547+03500	Africa/Blantyre
 MX	+1924-09909	America/Mexico_City	Central Time - most locations
 MX	+2105-08646	America/Cancun	Central Time - Quintana Roo
 MX	+2058-08937	America/Merida	Central Time - Campeche, Yucatan
-MX	+2540-10019	America/Monterrey	Central Time - Coahuila, Durango, Nuevo Leon, Tamaulipas
+MX	+2540-10019	America/Monterrey	Mexican Central Time - Coahuila, Durango, Nuevo Leon, Tamaulipas away from US border
+MX	+2550-09730	America/Matamoros	US Central Time - Coahuila, Durango, Nuevo Leon, Tamaulipas near US border
 MX	+2313-10625	America/Mazatlan	Mountain Time - S Baja, Nayarit, Sinaloa
-MX	+2838-10605	America/Chihuahua	Mountain Time - Chihuahua
+MX	+2838-10605	America/Chihuahua	Mexican Mountain Time - Chihuahua away from US border
+MX	+2934-10425	America/Ojinaga	US Mountain Time - Chihuahua near US border
 MX	+2904-11058	America/Hermosillo	Mountain Standard Time - Sonora
-MX	+3232-11701	America/Tijuana	Pacific Time
+MX	+3232-11701	America/Tijuana	US Pacific Time - Baja California near US border
+MX	+3018-11452	America/Santa_Isabel	Mexican Pacific Time - Baja California away from US border
 MY	+0310+10142	Asia/Kuala_Lumpur	peninsular Malaysia
 MY	+0133+11020	Asia/Kuching	Sabah & Sarawak
 MZ	-2558+03235	Africa/Maputo
-- 
2.11.4.GIT