Update time zone data files to tzdata release 2010c: DST law changes in

Bangladesh, Mexico, Paraguay.

src/timezone/data/asia

-# @(#)asia	8.44
+# @(#)asia	8.51
 # This file is in the public domain, so clarified as of
 # 2009-05-17 by Arthur David Olson.
 
@@ -196,6 +196,41 @@ Zone	Asia/Bahrain	3:22:20 -	LMT	1920		# Al Manamah
 # http://www.thaindian.com/newsportal/business/bangladesh-to-continue-indefinitely-with-advanced-time_100259987.html
 # </a>
 
+# From Alexander Krivenyshev (2009-12-24):
+# According to Bangladesh newspaper "The Daily Star,"
+# Bangladesh will change its clock back to Standard Time on Dec 31, 2009.
+#
+# Clock goes back 1-hr on Dec 31 night.
+# <a href="http://www.thedailystar.net/newDesign/news-details.php?nid=119228">
+# http://www.thedailystar.net/newDesign/news-details.php?nid=119228
+# </a>
+# and
+# <a href="http://www.worldtimezone.com/dst_news/dst_news_bangladesh05.html">
+# http://www.worldtimezone.com/dst_news/dst_news_bangladesh05.html
+# </a>
+#
+# "...The government yesterday decided to put the clock back by one hour
+# on December 31 midnight and the new time will continue until March 31,
+# 2010 midnight. The decision came at a cabinet meeting at the Prime
+# Minister's Office last night..."
+
+# From Danvin Ruangchan (2009-12-24):
+# ...the news mentions DST will be turned off again 7 months after March
+# 31st on Oct 31, 2010.
+
+# From Arthur David Olson (2009-12-26):
+# Indeed, "The government will advance again the Banglasdesh Standard
+# Time by one one hour on March 31 next year by enforcing the Daylight
+# Saving Time (DST) for seven months. It will continue till October 31
+# until further notice." I take that last sentence as the
+# establishment of a rule.
+
+# Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
+Rule	Dhaka	2009	only	-	Jun	19	23:00	1:00	S
+Rule	Dhaka	2010	only	-	Jan	1	0:00	0	-
+Rule	Dhaka	2010	max	-	Mar	31	23:00	1:00	S
+Rule	Dhaka	2010	max	-	Nov	1	0:00	0	-
+
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Dhaka	6:01:40 -	LMT	1890
 			5:53:20	-	HMT	1941 Oct    # Howrah Mean Time?
@@ -203,8 +238,8 @@ Zone	Asia/Dhaka	6:01:40 -	LMT	1890
 			5:30	-	IST	1942 Sep
 			6:30	-	BURT	1951 Sep 30
 			6:00	-	DACT	1971 Mar 26 # Dacca Time
-			6:00	-	BDT	2009 Jun 19 23:00 # Bangladesh Time
-			6:00	1:00	BDST
+			6:00	-	BDT	2009
+			6:00	Dhaka	BD%sT
 
 # Bhutan
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
@@ -363,6 +398,69 @@ Zone	Asia/Urumqi	5:50:20	-	LMT	1928 # or Urumchi
 # West Xinjiang, including Aksu, Atushi, Yining, Hetian, Cele, Luopu, Nileke,
 # Zhaosu, Tekesi, Gongliu, Chabuchaer, Huocheng, Bole, Pishan, Suiding,
 # and Yarkand.
+
+# From Luther Ma (2009-10-17):
+# Almost all (>99.9%) ethnic Chinese (properly ethnic Han) living in
+# Xinjiang use Chinese Standard Time. Some are aware of Xinjiang time,
+# but have no need of it. All planes, trains, and schools function on
+# what is called "Beijing time." When Han make an appointment in Chinese
+# they implicitly use Beijing time.
+#
+# On the other hand, ethnic Uyghurs, who make up about half the
+# population of Xinjiang, typically use "Xinjiang time" which is two
+# hours behind Beijing time, or UTC +0600. The government of the Xinjiang
+# Uyghur Autonomous Region, (XAUR, or just Xinjiang for short) as well as
+# local governments such as the Urumqi city government use both times in
+# publications, referring to what is popularly called Xinjiang time as
+# "Urumqi time." When Uyghurs make an appointment in the Uyghur language
+# they almost invariably use Xinjiang time.
+#
+# (Their ethnic Han compatriots would typically have no clue of its
+# widespread use, however, because so extremely few of them are fluent in
+# Uyghur, comparable to the number of Anglo-Americans fluent in Navajo.)
+#
+# (...As with the rest of China there was a brief interval ending in 1990
+# or 1991 when summer time was in use.  The confusion was severe, with
+# the province not having dual times but four times in use at the same
+# time. Some areas remained on standard Xinjiang time or Beijing time and
+# others moving their clocks ahead.)
+#
+# ...an example of an official website using of Urumqi time.
+#
+# The first few lines of the Google translation of
+# <a href="http://www.fjysgl.gov.cn/show.aspx?id=2379&cid=39">
+# http://www.fjysgl.gov.cn/show.aspx?id=2379&cid=39
+# </a>
+# (retrieved 2009-10-13)
+# > Urumqi fire seven people are missing the alleged losses of at least
+# > 500 million yuan
+# >
+# > (Reporter Dong Liu) the day before 20:20 or so (Urumqi Time 18:20),
+# > Urumqi City Department of International Plaza Luther Qiantang River
+# > burst fire. As of yesterday, 18:30, Urumqi City Fire officers and men
+# > have worked continuously for 22 hours...
+
+# From Luther Ma (2009-11-19):
+# With the risk of being redundant to previous answers these are the most common
+# English "transliterations" (w/o using non-English symbols):
+#
+# 1. Wulumuqi...
+# 2. Kashi...
+# 3. Urumqi...
+# 4. Kashgar...
+# ...
+# 5. It seems that Uyghurs in Urumqi has been using Xinjiang since at least the
+# 1960's. I know of one Han, now over 50, who grew up in the surrounding
+# countryside and used Xinjiang time as a child.
+#
+# 6. Likewise for Kashgar and the rest of south Xinjiang I don't know of any
+# start date for Xinjiang time.
+#
+# Without having access to local historical records, nor the ability to legally
+# publish them, I would go with October 1, 1949, when Xinjiang became the Uyghur
+# Autonomous Region under the PRC. (Before that Uyghurs, of course, would also
+# not be using Beijing time, but some local time.)
+
 Zone	Asia/Kashgar	5:03:56	-	LMT	1928 # or Kashi or Kaxgar
 			5:30	-	KAST	1940	 # Kashgar Time
 			5:00	-	KAST	1980 May
@@ -370,8 +468,8 @@ Zone	Asia/Kashgar	5:03:56	-	LMT	1928 # or Kashi or Kaxgar
 
 
 # From Lee Yiu Chung (2009-10-24):
-# I found there are some mistakes for the historial DST rule for Hong
-# Kong. Accoring to the DST record from Hong Kong Observatory (actually,
+# I found there are some mistakes for the...DST rule for Hong
+# Kong. [According] to the DST record from Hong Kong Observatory (actually,
 # it is not [an] observatory, but the official meteorological agency of HK,
 # and also serves as the official timing agency), there are some missing
 # and incorrect rules. Although the exact switch over time is missing, I

src/timezone/data/europe

 # <pre>
-# @(#)europe	8.24
+# @(#)europe	8.25
 # This file is in the public domain, so clarified as of
 # 2009-05-17 by Arthur David Olson.
 
@@ -2130,12 +2130,20 @@ Zone Asia/Irkutsk	 6:57:20 -	LMT	1880
 # From Oscar van Vlijmen (2003-10-18): [This region consists of]
 # Aginskij Buryatskij avtonomnyj okrug, Amurskaya oblast',
 # [parts of] Respublika Sakha (Yakutiya), Chitinskaya oblast'.
+
+# From Oscar van Vlijmen (2009-11-29):
+# ...some regions of RUssia were merged with others since 2005...
+# Some names were changed, no big deal, except for one instance: a new name.
+# YAK/YAKST: UTC+9 Zabajkal'skij kraj.
+
+# From Oscar van Vlijmen (2009-11-29):
 # The Sakha districts are: Aldanskij, Amginskij, Anabarskij,
-# Bulunskij, Verkhnekolymskij, Verkhnevilyujskij, Vilyujskij, Gornyj,
+# Verkhnevilyujskij, Vilyujskij, Gornyj,
 # Zhiganskij, Kobyajskij, Lenskij, Megino-Kangalasskij, Mirninskij,
-# Namskij, Nyurbinskij, Olenekskij, Olekminskij, Srednekolymskij,
+# Namskij, Nyurbinskij, Olenyokskij, Olyokminskij,
 # Suntarskij, Tattinskij, Ust'-Aldanskij, Khangalasskij,
-# Churapchinskij, Eveno-Bytantajskij.
+# Churapchinskij, Eveno-Bytantajskij Natsional'nij.
+
 Zone Asia/Yakutsk	 8:38:40 -	LMT	1919 Dec 15
 			 8:00	-	YAKT	1930 Jun 21 # Yakutsk Time
 			 9:00	Russia	YAK%sT	1991 Mar 31 2:00s
@@ -2145,7 +2153,9 @@ Zone Asia/Yakutsk	 8:38:40 -	LMT	1919 Dec 15
 # From Oscar van Vlijmen (2003-10-18): [This region consists of]
 # Evrejskaya avtonomnaya oblast', Khabarovskij kraj, Primorskij kraj,
 # [parts of] Respublika Sakha (Yakutiya).
-# The Sakha districts are: Verkhoyanskij, Tomponskij, Ust'-Majskij,
+
+# From Oscar van Vlijmen (2009-11-29):
+# The Sakha districts are: Bulunskij, Verkhoyanskij, Tomponskij, Ust'-Majskij,
 # Ust'-Yanskij.
 Zone Asia/Vladivostok	 8:47:44 -	LMT	1922 Nov 15
 			 9:00	-	VLAT	1930 Jun 21 # Vladivostok Time
@@ -2166,8 +2176,10 @@ Zone Asia/Sakhalin	 9:30:48 -	LMT	1905 Aug 23
 # From Oscar van Vlijmen (2003-10-18): [This region consists of]
 # Magadanskaya oblast', Respublika Sakha (Yakutiya).
 # Probably also: Kuril Islands.
-# The Sakha districts are: Abyjskij, Allaikhovskij, Momskij,
-# Nizhnekolymskij, Ojmyakonskij.
+
+# From Oscar van Vlijmen (2009-11-29):
+# The Sakha districts are: Abyjskij, Allaikhovskij, Verkhhhnekolymskij, Momskij,
+# Nizhnekolymskij, Ojmyakonskij, Srednekolymskij.
 Zone Asia/Magadan	10:03:12 -	LMT	1924 May  2
 			10:00	-	MAGT	1930 Jun 21 # Magadan Time
 			11:00	Russia	MAG%sT	1991 Mar 31 2:00s

src/timezone/data/northamerica

 # <pre>
-# @(#)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:
+# <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
@@ -1981,13 +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
@@ -2030,8 +2100,28 @@ 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
+			-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

src/timezone/data/southamerica

 # <pre>
-# @(#)southamerica	8.40
+# @(#)southamerica	8.41
 # This file is in the public domain, so clarified as of
 # 2009-05-17 by Arthur David Olson.
 
@@ -1364,8 +1364,24 @@ Rule	Para	2002	2003	-	Sep	Sun>=1	0:00	1:00	S
 # Decree 1,867 (2004-03-05)
 # From Carlos Raul Perasso via Jesper Norgaard Welen (2006-10-13)
 # <http://www.presidencia.gov.py/decretos/D1867.pdf>
-Rule	Para	2004	max	-	Oct	Sun>=15	0:00	1:00	S
-Rule	Para	2005	max	-	Mar	Sun>=8	0:00	0	-
+Rule	Para	2004	2009	-	Oct	Sun>=15	0:00	1:00	S
+Rule	Para	2005	2009	-	Mar	Sun>=8	0:00	0	-
+# From Carlos Raul Perasso (2010-02-18):
+# By decree number 3958 issued yesterday (
+# <a href="http://www.presidencia.gov.py/v1/wp-content/uploads/2010/02/decreto3958.pdf">
+# http://www.presidencia.gov.py/v1/wp-content/uploads/2010/02/decreto3958.pdf
+# </a>
+# )
+# Paraguay changes its DST schedule, postponing the March rule to April and
+# modifying the October date. The decree reads:
+# ...
+# Art. 1. It is hereby established that from the second Sunday of the month of
+# April of this year (2010), the official time is to be set back 60 minutes,
+# and that on the first Sunday of the month of October, it is to be set
+# forward 60 minutes, in all the territory of the Paraguayan Republic.
+# ...
+Rule	Para	2010	max	-	Oct	Sun<=7	0:00	1:00	S
+Rule	Para	2010	max	-	Apr	Sun>=8	0:00	0	-
 
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone America/Asuncion	-3:50:40 -	LMT	1890

src/timezone/data/zone.tab

 # <pre>
-# @(#)zone.tab	8.29
+# @(#)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