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Mexico changes

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SCCS-file: northamerica
SCCS-SID: 7.24
This commit is contained in:
Arthur David Olson
1996-04-19 14:47:31 -04:00
committed by Paul Eggert
parent e5dd7ec8db
commit b4225ca9f3
1 changed files with 29 additions and 9 deletions
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@ -848,18 +848,38 @@ Zone America/Whitehorse -9:00:12 - LMT 1900 Aug 20
# a zone that's GMT-8 with DST; a zone that's always GMT-7;
# a zone that's GMT-6 with DST; and a zone that's always GMT-6.
# From Paul Eggert <eggert@twinsun.com> (November 18, 1993):
# From Paul Eggert <eggert@twinsun.com> (1993-11-18):
# Shanks also says there are four zones, but disagrees about the fourth.
# Instead of GMT-6 with DST, he says there's GMT-8 without DST.
# From Paul Eggert (1996-02-07):
# Today in news:4f90v4$g6g@news.internet.com.mx, Kevin Pitts
# <bravo2@internet.com.mx> wrote that Mexico will use Horario de Verano (DST)
# starting this year with the same rules as the US, and gave FIDE as a source.
# (FIDE is a private organization that promotes efficient electrical use.)
# On 1996-02-02 Mario Camou wrote that the transition times are Apr Sun>=1
# 0:00 and Nov 1 0:00 but also wrote ``The DST-out date looks a bit fishy''.
# Go with Pitts after 1996, and with Shanks before that.
# From Alan Perry <alan.perry@eng.sun.com> (1996-02-15):
# A guy from our Mexico subsidiary finally found the Presidential Decree
# outlining the timezone changes in Mexico.
#
# ------------- Begin Forwarded Message -------------
#
# I finally got my hands on the Official Presidential Decree that sets up the
# rules for the DST changes. The rules are:
#
# 1. The country is divided in 3 timezones:
# - Baja California Norte (the Mexico/BajaNorte TZ)
# - Baja California Sur, Nayarit, Sinaloa and Sonora (the Mexico/BajaSur TZ)
# - The rest of the country (the Mexico/General TZ)
#
# 2. From the first Sunday in April at 2:00 AM to the last Sunday in October
# at 2:00 AM, the times in each zone are as follows:
# BajaNorte: GMT+7
# BajaSur: GMT+6
# General: GMT+5
#
# 3. The rest of the year, the times are as follows:
# BajaNorte: GMT+8
# BajaSur: GMT+7
# General: GMT+6
#
# The Decree was published in Mexico's Official Newspaper on January 4th.
#
# -------------- End Forwarded Message --------------
# From Shanks (1991):
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S