[tz] Wrong Cuba date in 2004
Paul Eggert
eggert at cs.ucla.edu
Wed Nov 13 09:01:50 UTC 2013
Thanks for the heads-up.
I've pushed this patch to the experimental repository:
>From f0b7563dc269b34593a1667845530f525a731e8b Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert at cs.ucla.edu>
Date: Wed, 13 Nov 2013 01:00:16 -0800
Subject: [PATCH] America/Havana: fix spring 2004 transition
* northamerica (Cuba), NEWS: In 2004, Cuba began DST on March 28,
not April 4. (Thanks to Steffen Thorsen.)
---
NEWS | 5 +++++
northamerica | 8 +++++++-
2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/NEWS b/NEWS
index 246abcd..0734458 100644
--- a/NEWS
+++ b/NEWS
@@ -2,6 +2,11 @@ News for the tz database
Unreleased, experimental changes
+ Changes affecting past time stamps:
+
+ In 2004, Cuba began DST on March 28, not April 4.
+ (Thanks to Steffen Thorsen.)
+
Changes affecting code
The compile-time flag NOSOLAR has been removed, as nowadays the
diff --git a/northamerica b/northamerica
index c3921d3..83c521b 100644
--- a/northamerica
+++ b/northamerica
@@ -2665,6 +2665,11 @@ Zone America/Costa_Rica -5:36:13 - LMT 1890 # San Jose
# to DST--and one more hour on 1999-04-04--when the announcers will have
# returned to Baltimore, which switches on that date.)
+# From Steffen Thorsen (2013-11-11):
+# DST start in Cuba in 2004 ... does not follow the same rules as the
+# years before. The correct date should be Sunday 2004-03-28 00:00 ...
+# https://web.archive.org/web/20040402060750/http://www.granma.cu/espanol/2004/marzo/sab27/reloj.html
+
# From Evert van der Veer via Steffen Thorsen (2004-10-28):
# Cuba is not going back to standard time this year.
# From Paul Eggert (2006-03-22):
@@ -2854,7 +2859,8 @@ Rule Cuba 1996 only - Oct 6 0:00s 0 S
Rule Cuba 1997 only - Oct 12 0:00s 0 S
Rule Cuba 1998 1999 - Mar lastSun 0:00s 1:00 D
Rule Cuba 1998 2003 - Oct lastSun 0:00s 0 S
-Rule Cuba 2000 2004 - Apr Sun>=1 0:00s 1:00 D
+Rule Cuba 2000 2003 - Apr Sun>=1 0:00s 1:00 D
+Rule Cuba 2004 only - Mar lastSun 0:00s 1:00 D
Rule Cuba 2006 2010 - Oct lastSun 0:00s 0 S
Rule Cuba 2007 only - Mar Sun>=8 0:00s 1:00 D
Rule Cuba 2008 only - Mar Sun>=15 0:00s 1:00 D
--
1.8.3.1
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