proposed time zone package changes--Mexico (revised)

Arthur David Olson olsona at lecserver.nci.nih.gov
Wed Jan 20 17:38:01 UTC 2010 

Based on the updated information from a government web site, here are revised proposed
changes to the time zone package; files "northamerica" and "zone.tab" are involved.
If no problems are found, these will appear in the ftp version on 2010-01-25.

				--ado

diff -r -c old/northamerica new/northamerica
*** old/northamerica	Mon Jan 18 08:30:04 2010
--- new/northamerica	Wed Jan 20 12:37:20 2010
***************
*** 1,5 ****
  # <pre>
! # @(#)northamerica	8.28
  # This file is in the public domain, so clarified as of
  # 2009-05-17 by Arthur David Olson.
  
--- 1,5 ----
  # <pre>
! # @(#)northamerica	8.30
  # This file is in the public domain, so clarified as of
  # 2009-05-17 by Arthur David Olson.
  
***************
*** 1955,1960 ****
--- 1955,2012 ----
  # 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:
+ # <a href="http://www.signonsandiego.com/news/2009/dec/28/clocks-will-match-both-sides-border/">
+ # http://www.signonsandiego.com/news/2009/dec/28/clocks-will-match-both-sides-border/
+ # </a>
+ # <a href="http://www.elmananarey.com/diario/noticia/nacional/noticias/empatan_horario_de_frontera_con_eu/621939">
+ # http://www.elmananarey.com/diario/noticia/nacional/noticias/empatan_horario_de_frontera_con_eu/621939
+ # </a>
+ # (Spanish)
+ #
+ # Could not find the new law text, but the proposed law text changes are here:
+ # <a href="http://gaceta.diputados.gob.mx/Gaceta/61/2009/dic/20091210-V.pdf">
+ # http://gaceta.diputados.gob.mx/Gaceta/61/2009/dic/20091210-V.pdf
+ # </a>
+ # (Gaceta Parlamentaria)
+ #
+ # There is also a list of the votes here:
+ # <a href="http://gaceta.diputados.gob.mx/Gaceta/61/2009/dic/V2-101209.html">
+ # http://gaceta.diputados.gob.mx/Gaceta/61/2009/dic/V2-101209.html
+ # </a>
+ #
+ # Our page:
+ # <a href="http://www.timeanddate.com/news/time/north-mexico-dst-change.html">
+ # http://www.timeanddate.com/news/time/north-mexico-dst-change.html
+ # </a>
+ 
+ # From Arthur David Olson (2010-01-20):
+ # The page
+ # <a href="http://dof.gob.mx/nota_detalle.php?codigo=5127480&fecha=06/01/2010">
+ # http://dof.gob.mx/nota_detalle.php?codigo=5127480&fecha=06/01/2010
+ # </a>
+ # includes this text:
+ # En los municipios fronterizos de Tijuana y Mexicali en Baja California;
+ # Ju&aacute;rez y Ojinaga en Chihuahua; Acu&ntilde;a y Piedras Negras en Coahuila;
+ # An&aacute;huac en Nuevo Le&oacute;n; y Nuevo Laredo, Reynosa y Matamoros en
+ # Tamaulipas, la aplicaci&oacute;n de este horario estacional surtir&aacute; efecto
+ # desde las dos horas del segundo domingo de marzo y concluir&aacute; 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 l&iacute;nea
+ # internacional y la l&iacute;nea paralela ubicada a una distancia de veinte
+ # kil&oacute;metros, as&iacute; como la Ciudad de Ensenada, Baja California, hacia el
+ # interior del pa&iacute;s, la aplicaci&oacute;n de este horario estacional surtir&aacute;
+ # efecto desde las dos horas del segundo domingo de marzo y concluir&aacute; 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
***************
*** 1981,1993 ****
  			-6:00	-	CST	1981 Dec 23
  			-5:00	-	EST	1982 Dec  2
  			-6:00	Mexico	C%sT
! # Coahuila, Durango, Nuevo Leon, Tamaulipas
  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
  			-7:00	-	MST	1927 Jun 10 23:00
  			-6:00	-	CST	1930 Nov 15
  			-7:00	-	MST	1931 May  1 23:00
--- 2033,2051 ----
  			-6:00	-	CST	1981 Dec 23
  			-5:00	-	EST	1982 Dec  2
  			-6:00	Mexico	C%sT
! # 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
  			-7:00	-	MST	1927 Jun 10 23:00
  			-6:00	-	CST	1930 Nov 15
  			-7:00	-	MST	1931 May  1 23:00
***************
*** 1996,2002 ****
  			-6:00	Mexico	C%sT	2001 Sep 30 02:00
  			-6:00	-	CST	2002 Feb 20
  			-6:00	Mexico	C%sT
! # Chihuahua
  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
--- 2054,2072 ----
  			-6:00	Mexico	C%sT	2001 Sep 30 02:00
  			-6:00	-	CST	2002 Feb 20
  			-6:00	Mexico	C%sT
! # 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
***************
*** 2030,2039 ****
  			-7:00	-	MST	1949 Jan 14
  			-8:00	-	PST	1970
  			-7:00	Mexico	M%sT
! # Baja California
  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
  			-7:00	-	MST	1930 Nov 15
  			-8:00	-	PST	1931 Apr  1
  			-8:00	1:00	PDT	1931 Sep 30
--- 2100,2129 ----
  			-7:00	-	MST	1949 Jan 14
  			-8:00	-	PST	1970
  			-7:00	Mexico	M%sT
! # 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
+ 			-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	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
diff -r -c old/zone.tab new/zone.tab
*** old/zone.tab	Mon Jan 18 08:30:04 2010
--- new/zone.tab	Wed Jan 20 12:25:55 2010
***************
*** 1,5 ****
  # <pre>
! # @(#)zone.tab	8.31
  # This file is in the public domain, so clarified as of
  # 2009-05-17 by Arthur David Olson.
  #
--- 1,5 ----
  # <pre>
! # @(#)zone.tab	8.33
  # This file is in the public domain, so clarified as of
  # 2009-05-17 by Arthur David Olson.
  #
***************
*** 279,289 ****
  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	+2313-10625	America/Mazatlan	Mountain Time - S Baja, Nayarit, Sinaloa
! MX	+2838-10605	America/Chihuahua	Mountain Time - Chihuahua
  MX	+2904-11058	America/Hermosillo	Mountain Standard Time - Sonora
! MX	+3232-11701	America/Tijuana	Pacific Time
  MY	+0310+10142	Asia/Kuala_Lumpur	peninsular Malaysia
  MY	+0133+11020	Asia/Kuching	Sabah & Sarawak
  MZ	-2558+03235	Africa/Maputo
--- 279,292 ----
  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	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	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	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

More information about the tz mailing list