1 files changed, 50 insertions, 11 deletions

diff --git a/contrib/tzdata/northamerica b/contrib/tzdata/northamerica
index ac1eeef4d533..1f784e052336 100644
--- a/contrib/tzdata/northamerica
+++ b/contrib/tzdata/northamerica
@@ -1,5 +1,4 @@
 # <pre>
-# @(#)northamerica	8.52
 # This file is in the public domain, so clarified as of
 # 2009-05-17 by Arthur David Olson.
 
@@ -479,7 +478,7 @@ Zone America/Juneau	 15:02:19 -	LMT	1867 Oct 18
 			 -8:00	US	P%sT	1946
 			 -8:00	-	PST	1969
 			 -8:00	US	P%sT	1980 Apr 27 2:00
-			 -9:00	US	Y%sT	1980 Oct 26 2:00	
+			 -9:00	US	Y%sT	1980 Oct 26 2:00
 			 -8:00	US	P%sT	1983 Oct 30 2:00
 			 -9:00	US	Y%sT	1983 Nov 30
 			 -9:00	US	AK%sT
@@ -1844,7 +1843,7 @@ Zone America/Edmonton	-7:33:52 -	LMT	1906 Sep
 # Here is a summary of the three clock change events in Creston's history:
 # 1. 1884 or 1885: adoption of Mountain Standard Time (GMT-7)
 # Exact date unknown
-# 2. Oct 1916: switch to Pacific Standard Time (GMT-8) 
+# 2. Oct 1916: switch to Pacific Standard Time (GMT-8)
 # Exact date in October unknown;  Sunday October 1 is a reasonable guess.
 # 3. June 1918: switch to Pacific Daylight Time (GMT-7)
 # Exact date in June unknown; Sunday June 2 is a reasonable guess.
@@ -2674,20 +2673,20 @@ Zone America/Costa_Rica	-5:36:20 -	LMT	1890		# San Jose
 # except that it switches at midnight standard time as usual.
 #
 # From Steffen Thorsen (2007-10-25):
-# Carlos Alberto Fonseca Arauz informed me that Cuba will end DST one week 
+# Carlos Alberto Fonseca Arauz informed me that Cuba will end DST one week
 # earlier - on the last Sunday of October, just like in 2006.
-# 
+#
 # He supplied these references:
-# 
+#
 # http://www.prensalatina.com.mx/article.asp?ID=%7B4CC32C1B-A9F7-42FB-8A07-8631AFC923AF%7D&language=ES
 # http://actualidad.terra.es/sociedad/articulo/cuba_llama_ahorrar_energia_cambio_1957044.htm
-# 
+#
 # From Alex Kryvenishev (2007-10-25):
 # Here is also article from Granma (Cuba):
-# 
+#
 # [Regira] el Horario Normal desde el [proximo] domingo 28 de octubre
 # http://www.granma.cubaweb.cu/2007/10/24/nacional/artic07.html
-# 
+#
 # http://www.worldtimezone.com/dst_news/dst_news_cuba03.html
 
 # From Arthur David Olson (2008-03-09):
@@ -2771,7 +2770,7 @@ Zone America/Costa_Rica	-5:36:20 -	LMT	1890		# San Jose
 # </a>
 #
 # From Steffen Thorsen (2011-10-30)
-# Cuba will end DST two weeks later this year. Instead of going back 
+# Cuba will end DST two weeks later this year. Instead of going back
 # tonight, it has been delayed to 2011-11-13 at 01:00.
 #
 # One source (Spanish)
@@ -2783,6 +2782,20 @@ Zone America/Costa_Rica	-5:36:20 -	LMT	1890		# San Jose
 # <a href="http://www.timeanddate.com/news/time/cuba-time-changes-2011.html">
 # http://www.timeanddate.com/news/time/cuba-time-changes-2011.html
 # </a>
+#
+# From Steffen Thorsen (2012-03-01)
+# According to Radio Reloj, Cuba will start DST on Midnight between March
+# 31 and April 1.
+#
+# Radio Reloj has the following info (Spanish):
+# <a href="http://www.radioreloj.cu/index.php/noticias-radio-reloj/71-miscelaneas/7529-cuba-aplicara-el-horario-de-verano-desde-el-1-de-abril">
+# http://www.radioreloj.cu/index.php/noticias-radio-reloj/71-miscelaneas/7529-cuba-aplicara-el-horario-de-verano-desde-el-1-de-abril
+# </a>
+#
+# Our info on it:
+# <a href="http://www.timeanddate.com/news/time/cuba-starts-dst-2012.html">
+# http://www.timeanddate.com/news/time/cuba-starts-dst-2012.html
+# </a>
 
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Cuba	1928	only	-	Jun	10	0:00	1:00	D
@@ -2820,8 +2833,9 @@ Rule	Cuba	2008	only	-	Mar	Sun>=15	0:00s	1:00	D
 Rule	Cuba	2009	2010	-	Mar	Sun>=8	0:00s	1:00	D
 Rule	Cuba	2011	only	-	Mar	Sun>=15	0:00s	1:00	D
 Rule	Cuba	2011	only	-	Nov	13	0:00s	0	S
-Rule	Cuba	2012	max	-	Mar	Sun>=8	0:00s	1:00	D
+Rule	Cuba	2012	only	-	Apr	1	0:00s	1:00	D
 Rule	Cuba	2012	max	-	Oct	lastSun	0:00s	0	S
+Rule	Cuba	2013	max	-	Mar	Sun>=8	0:00s	1:00	D
 
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	America/Havana	-5:29:28 -	LMT	1890
@@ -2955,6 +2969,29 @@ Zone America/Guatemala	-6:02:04 -	LMT	1918 Oct 5
 # From Stephen Colebourne (2007-02-22):
 # Some IATA info: Haiti won't be having DST in 2007.
 
+# From Steffen Thorsen (2012-03-11):
+# According to several news sources, Haiti will observe DST this year,
+# apparently using the same start and end date as USA/Canada.
+# So this means they have already changed their time.
+#
+# (Sources in French):
+# <a href="http://www.alterpresse.org/spip.php?article12510">
+# http://www.alterpresse.org/spip.php?article12510
+# </a>
+# <a href="http://radiovision2000haiti.net/home/?p=13253">
+# http://radiovision2000haiti.net/home/?p=13253
+# </a>
+#
+# Our coverage:
+# <a href="http://www.timeanddate.com/news/time/haiti-dst-2012.html">
+# http://www.timeanddate.com/news/time/haiti-dst-2012.html
+# </a>
+
+# From Arthur David Olson (2012-03-11):
+# The alterpresse.org source seems to show a US-style leap from 2:00 a.m. to
+# 3:00 a.m. rather than the traditional Haitian jump at midnight.
+# Assume a US-style fall back as well XXX.
+# Do not yet assume that the change carries forward past 2012 XXX.
 
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Haiti	1983	only	-	May	8	0:00	1:00	D
@@ -2966,6 +3003,8 @@ Rule	Haiti	1988	1997	-	Apr	Sun>=1	1:00s	1:00	D
 Rule	Haiti	1988	1997	-	Oct	lastSun	1:00s	0	S
 Rule	Haiti	2005	2006	-	Apr	Sun>=1	0:00	1:00	D
 Rule	Haiti	2005	2006	-	Oct	lastSun	0:00	0	S
+Rule	Haiti	2012	only	-	Mar	Sun>=8	2:00	1:00	D
+Rule	Haiti	2012	only	-	Nov	Sun>=1	2:00	0	S
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone America/Port-au-Prince -4:49:20 -	LMT	1890
 			-4:49	-	PPMT	1917 Jan 24 12:00 # P-a-P MT