diff --git a/northamerica b/northamerica index 0afc834..06211ad 100644 --- a/northamerica +++ b/northamerica @@ -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 (November 18, 1993): +# From Paul Eggert (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 -# 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 (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