FW: Daylight Savings Time in Mexico
Paul Eggert
eggert at twinsun.com
Tue Apr 2 19:45:27 UTC 2002
> From: IVY,HENRY (HP-Roseville,ex1) [mailto:henry_ivy at am.exch.hp.com]
> Sent: Monday, April 01, 2002 9:15 PM
> The rules for Mexico Daylight Savings Time should have the 2001
> rules commented out, and the previous two lines reset to run to
> max.... The time zone rules for America/Tijuana should have the
> last line commented out, and the previous line reset to not expire.
Hmmm, why should the 2001 rules be commented out? We do need new
rules for 2002, but that doesn't mean that the 2001 rules were
incorrect for 2001.
> The time zone rules for America/Mexico_City should have the last line
> commented out, and the previous line reset to not expire.
Thanks for that fix.
Here is a patch, relative to all the other patches I've sent in recently.
I'll send out a combined patch soon, for sanity's sake.
===================================================================
RCS file: RCS/northamerica,v
retrieving revision 2001.4.0.1
retrieving revision 2001.4.0.2
diff -pu -r2001.4.0.1 -r2001.4.0.2
--- northamerica 2002/03/25 06:42:59 2001.4.0.1
+++ northamerica 2002/04/02 19:43:30 2001.4.0.2
@@ -1365,7 +1365,7 @@ Zone America/Dawson -9:17:40 - LMT
1900
# From Jesper Norgaard Welen (2002-03-12):
# ... consulting my local grocery store(!) and my coworkers, they all
insisted
# that a new decision had been made to reinstate US style DST in
Mexico....
-# http://www.conae.gob.mx/ahorro/horaver2001_m1_2002.html
+# 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.
# Rule NAME FROM TO TYPE IN ON AT SAVE
LETTER/S
@@ -1407,7 +1407,8 @@ Zone America/Mexico_City -6:36:36 - LMT
-6:00 - CST 1931 Oct
-7:00 - MST 1932 Apr 1
-6:00 Mexico C%sT 2001 Sep 30 02:00
- -6:00 - CST
+ -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
@@ -1458,7 +1459,8 @@ Zone America/Tijuana -7:48:04 - LMT
1922
-8:00 - PST 1976
-8:00 US P%sT 1996
-8:00 Mexico P%sT 2001
- -8:00 US P%sT
+ -8:00 US P%sT 2002 Feb 20
+ -8:00 Mexico P%sT
# From Paul Eggert (2001-03-05):
# Formerly there was an America/Ensenada zone, which differed from
# America/Tijuana only in that it did not observe DST from 1976
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