--- a/components/timezone/northamerica Tue Dec 17 21:59:26 2013 -0800
+++ b/components/timezone/northamerica Fri Dec 20 06:20:23 2013 -0700
@@ -1019,6 +1019,9 @@
# William Willett, The Waste of Daylight, 19th edition
# </a> (1914-03)
#
+# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94
+# <http://www.jstor.org/stable/1774359>.
+#
# See the `europe' file for Greenland.
# Canada
@@ -2554,6 +2557,8 @@
# Bahamas
#
+# For 1899 Milne gives -5:09:29.5; round that.
+#
# From Sue Williams (2006-12-07):
# The Bahamas announced about a month ago that they plan to change their DST
# rules to sync with the U.S. starting in 2007....
@@ -2563,11 +2568,14 @@
Rule Bahamas 1964 1975 - Oct lastSun 2:00 0 S
Rule Bahamas 1964 1975 - Apr lastSun 2:00 1:00 D
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone America/Nassau -5:09:24 - LMT 1912 Mar 2
+Zone America/Nassau -5:09:30 - LMT 1912 Mar 2
-5:00 Bahamas E%sT 1976
-5:00 US E%sT
# Barbados
+
+# For 1899 Milne gives -3:58:29.2; round that.
+
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Barb 1977 only - Jun 12 2:00 1:00 D
Rule Barb 1977 1978 - Oct Sun>=1 2:00 0 S
@@ -2575,8 +2583,8 @@
Rule Barb 1979 only - Sep 30 2:00 0 S
Rule Barb 1980 only - Sep 25 2:00 0 S
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone America/Barbados -3:58:28 - LMT 1924 # Bridgetown
- -3:58:28 - BMT 1932 # Bridgetown Mean Time
+Zone America/Barbados -3:58:29 - LMT 1924 # Bridgetown
+ -3:58:29 - BMT 1932 # Bridgetown Mean Time
-4:00 Barb A%sT
# Belize
@@ -2594,6 +2602,9 @@
# Bermuda
+# For 1899 Milne gives -4:19:18.3 as the meridian of the clock tower,
+# Bermuda dockyard, Ireland I; round that.
+
# From Dan Jones, reporting in The Royal Gazette (2006-06-26):
# Next year, however, clocks in the US will go forward on the second Sunday
@@ -2603,7 +2614,7 @@
# http://www.theroyalgazette.com/apps/pbcs.dll/article?AID=/20060529/NEWS/105290135
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone Atlantic/Bermuda -4:19:04 - LMT 1930 Jan 1 2:00 # Hamilton
+Zone Atlantic/Bermuda -4:19:18 - LMT 1930 Jan 1 2:00 # Hamilton
-4:00 - AST 1974 Apr 28 2:00
-4:00 Bahamas A%sT 1976
-4:00 US A%sT
@@ -2615,6 +2626,9 @@
-5:00 - EST
# Costa Rica
+
+# Milne gives -5:36:13.3 as San Jose mean time; round to nearest.
+
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule CR 1979 1980 - Feb lastSun 0:00 1:00 D
Rule CR 1979 1980 - Jun Sun>=1 0:00 0 S
@@ -2625,14 +2639,19 @@
Rule CR 1992 only - Mar 15 0:00 0 S
# There are too many San Joses elsewhere, so we'll use `Costa Rica'.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
-Zone America/Costa_Rica -5:36:20 - LMT 1890 # San Jose
- -5:36:20 - SJMT 1921 Jan 15 # San Jose Mean Time
+Zone America/Costa_Rica -5:36:13 - LMT 1890 # San Jose
+ -5:36:13 - SJMT 1921 Jan 15 # San Jose Mean Time
-6:00 CR C%sT
# Coco
# no information; probably like America/Costa_Rica
# Cuba
+# From Paul Eggert (2013-02-21):
+# Milne gives -5:28:50.45 for the observatory at Havana, -5:29:23.57
+# for the port, and -5:30 for meteorological observations.
+# For now, stick with Shanks & Pottenger.
+
# From Arthur David Olson (1999-03-29):
# The 1999-03-28 exhibition baseball game held in Havana, Cuba, between
# the Cuban National Team and the Baltimore Orioles was carried live on
@@ -2981,24 +3000,21 @@
# 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.
+# Assume a US-style fall back as well.
+
+# From Steffen Thorsen (2013-03-10):
+# It appears that Haiti is observing DST this year as well, same rules
+# as US/Canada. They did it last year as well, and it looks like they
+# are going to observe DST every year now...
+#
+# http://radiovision2000haiti.net/public/haiti-avis-changement-dheure-dimanche/
+# http://www.canalplushaiti.net/?p=6714
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Haiti 1983 only - May 8 0:00 1:00 D
@@ -3010,8 +3026,8 @@
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
+Rule Haiti 2012 max - Mar Sun>=8 2:00 1:00 D
+Rule Haiti 2012 max - 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