northamerica (274563) | northamerica (279707) |
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1# This file is in the public domain, so clarified as of 2# 2009-05-17 by Arthur David Olson. 3 4# also includes Central America and the Caribbean 5 6# This file is by no means authoritative; if you think you know better, 7# go ahead and edit the file (and please send any changes to 8# tz@iana.org for general use in the future). For more, please see --- 110 unchanged lines hidden (view full) --- 119# U.S. government action. So even though the "US" rules have changed 120# in the latest release, other countries won't be affected. 121 122# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 123Rule US 1918 1919 - Mar lastSun 2:00 1:00 D 124Rule US 1918 1919 - Oct lastSun 2:00 0 S 125Rule US 1942 only - Feb 9 2:00 1:00 W # War 126Rule US 1945 only - Aug 14 23:00u 1:00 P # Peace | 1# This file is in the public domain, so clarified as of 2# 2009-05-17 by Arthur David Olson. 3 4# also includes Central America and the Caribbean 5 6# This file is by no means authoritative; if you think you know better, 7# go ahead and edit the file (and please send any changes to 8# tz@iana.org for general use in the future). For more, please see --- 110 unchanged lines hidden (view full) --- 119# U.S. government action. So even though the "US" rules have changed 120# in the latest release, other countries won't be affected. 121 122# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 123Rule US 1918 1919 - Mar lastSun 2:00 1:00 D 124Rule US 1918 1919 - Oct lastSun 2:00 0 S 125Rule US 1942 only - Feb 9 2:00 1:00 W # War 126Rule US 1945 only - Aug 14 23:00u 1:00 P # Peace |
127Rule US 1945 only - Sep 30 2:00 0 S | 127Rule US 1945 only - Sep lastSun 2:00 0 S |
128Rule US 1967 2006 - Oct lastSun 2:00 0 S 129Rule US 1967 1973 - Apr lastSun 2:00 1:00 D 130Rule US 1974 only - Jan 6 2:00 1:00 D 131Rule US 1975 only - Feb 23 2:00 1:00 D 132Rule US 1976 1986 - Apr lastSun 2:00 1:00 D 133Rule US 1987 2006 - Apr Sun>=1 2:00 1:00 D 134Rule US 2007 max - Mar Sun>=8 2:00 1:00 D 135Rule US 2007 max - Nov Sun>=1 2:00 0 S --- 1983 unchanged lines hidden (view full) --- 2119 -8:00 NT_YK P%sT 1980 2120 -8:00 Canada P%sT 2121 2122 2123############################################################################### 2124 2125# Mexico 2126 | 128Rule US 1967 2006 - Oct lastSun 2:00 0 S 129Rule US 1967 1973 - Apr lastSun 2:00 1:00 D 130Rule US 1974 only - Jan 6 2:00 1:00 D 131Rule US 1975 only - Feb 23 2:00 1:00 D 132Rule US 1976 1986 - Apr lastSun 2:00 1:00 D 133Rule US 1987 2006 - Apr Sun>=1 2:00 1:00 D 134Rule US 2007 max - Mar Sun>=8 2:00 1:00 D 135Rule US 2007 max - Nov Sun>=1 2:00 0 S --- 1983 unchanged lines hidden (view full) --- 2119 -8:00 NT_YK P%sT 1980 2120 -8:00 Canada P%sT 2121 2122 2123############################################################################### 2124 2125# Mexico 2126 |
2127# From Paul Eggert (2001-03-05): | 2127# From Paul Eggert (2014-12-07): |
2128# The Investigation and Analysis Service of the 2129# Mexican Library of Congress (MLoC) has published a 2130# history of Mexican local time (in Spanish) | 2128# The Investigation and Analysis Service of the 2129# Mexican Library of Congress (MLoC) has published a 2130# history of Mexican local time (in Spanish) |
2131# http://www.cddhcu.gob.mx/bibliot/publica/inveyana/polisoc/horver/ | 2131# http://www.diputados.gob.mx/bibliot/publica/inveyana/polisoc/horver/index.htm |
2132# 2133# Here are the discrepancies between Shanks & Pottenger (S&P) and the MLoC. 2134# (In all cases we go with the MLoC.) 2135# S&P report that Baja was at -8:00 in 1922/1923. 2136# S&P say the 1930 transition in Baja was 1930-11-16. 2137# S&P report no DST during summer 1931. 2138# S&P report a transition at 1932-03-30 23:00, not 1932-04-01. 2139 --- 152 unchanged lines hidden (view full) --- 2292# En los municipios fronterizos que se encuentren ubicados en la franja 2293# fronteriza norte en el territorio comprendido entre la l��nea 2294# internacional y la l��nea paralela ubicada a una distancia de veinte 2295# kil��metros, as�� como la Ciudad de Ensenada, Baja California, hacia el 2296# interior del pa��s, la aplicaci��n de este horario estacional surtir�� 2297# efecto desde las dos horas del segundo domingo de marzo y concluir�� a 2298# las dos horas del primer domingo de noviembre. 2299 | 2132# 2133# Here are the discrepancies between Shanks & Pottenger (S&P) and the MLoC. 2134# (In all cases we go with the MLoC.) 2135# S&P report that Baja was at -8:00 in 1922/1923. 2136# S&P say the 1930 transition in Baja was 1930-11-16. 2137# S&P report no DST during summer 1931. 2138# S&P report a transition at 1932-03-30 23:00, not 1932-04-01. 2139 --- 152 unchanged lines hidden (view full) --- 2292# En los municipios fronterizos que se encuentren ubicados en la franja 2293# fronteriza norte en el territorio comprendido entre la l��nea 2294# internacional y la l��nea paralela ubicada a una distancia de veinte 2295# kil��metros, as�� como la Ciudad de Ensenada, Baja California, hacia el 2296# interior del pa��s, la aplicaci��n de este horario estacional surtir�� 2297# efecto desde las dos horas del segundo domingo de marzo y concluir�� a 2298# las dos horas del primer domingo de noviembre. 2299 |
2300# From Steffen Thorsen (2014-12-08), translated by Gwillim Law: 2301# The Mexican state of Quintana Roo will likely change to EST in 2015. 2302# 2303# http://www.unioncancun.mx/articulo/2014/12/04/medio-ambiente/congreso-aprueba-una-hora-mas-de-sol-en-qroo 2304# "With this change, the time conflict that has existed between the municipios 2305# of Quintana Roo and the municipio of Felipe Carrillo Puerto may come to an 2306# end. The latter declared itself in rebellion 15 years ago when a time change 2307# was initiated in Mexico, and since then it has refused to change its time 2308# zone along with the rest of the country." 2309# 2310# From Steffen Thorsen (2015-01-14), translated by Gwillim Law: 2311# http://sipse.com/novedades/confirman-aplicacion-de-nueva-zona-horaria-para-quintana-roo-132331.html 2312# "...the new time zone will come into effect at two o'clock on the first Sunday 2313# of February, when we will have to advance the clock one hour from its current 2314# time..." 2315# 2316# Also, the new zone will not use DST. 2317 |
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2300# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2301Rule Mexico 1939 only - Feb 5 0:00 1:00 D 2302Rule Mexico 1939 only - Jun 25 0:00 0 S 2303Rule Mexico 1940 only - Dec 9 0:00 1:00 D 2304Rule Mexico 1941 only - Apr 1 0:00 0 S 2305Rule Mexico 1943 only - Dec 16 0:00 1:00 W # War 2306Rule Mexico 1944 only - May 1 0:00 0 S 2307Rule Mexico 1950 only - Feb 12 0:00 1:00 D --- 4 unchanged lines hidden (view full) --- 2312Rule Mexico 2001 only - Sep lastSun 2:00 0 S 2313Rule Mexico 2002 max - Apr Sun>=1 2:00 1:00 D 2314Rule Mexico 2002 max - Oct lastSun 2:00 0 S 2315# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2316# Quintana Roo; represented by Canc��n 2317Zone America/Cancun -5:47:04 - LMT 1922 Jan 1 0:12:56 2318 -6:00 - CST 1981 Dec 23 2319 -5:00 Mexico E%sT 1998 Aug 2 2:00 | 2318# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 2319Rule Mexico 1939 only - Feb 5 0:00 1:00 D 2320Rule Mexico 1939 only - Jun 25 0:00 0 S 2321Rule Mexico 1940 only - Dec 9 0:00 1:00 D 2322Rule Mexico 1941 only - Apr 1 0:00 0 S 2323Rule Mexico 1943 only - Dec 16 0:00 1:00 W # War 2324Rule Mexico 1944 only - May 1 0:00 0 S 2325Rule Mexico 1950 only - Feb 12 0:00 1:00 D --- 4 unchanged lines hidden (view full) --- 2330Rule Mexico 2001 only - Sep lastSun 2:00 0 S 2331Rule Mexico 2002 max - Apr Sun>=1 2:00 1:00 D 2332Rule Mexico 2002 max - Oct lastSun 2:00 0 S 2333# Zone NAME GMTOFF RULES FORMAT [UNTIL] 2334# Quintana Roo; represented by Canc��n 2335Zone America/Cancun -5:47:04 - LMT 1922 Jan 1 0:12:56 2336 -6:00 - CST 1981 Dec 23 2337 -5:00 Mexico E%sT 1998 Aug 2 2:00 |
2320 -6:00 Mexico C%sT | 2338 -6:00 Mexico C%sT 2015 Feb 1 2:00 2339 -5:00 - EST |
2321# Campeche, Yucat��n; represented by M��rida 2322Zone America/Merida -5:58:28 - LMT 1922 Jan 1 0:01:32 2323 -6:00 - CST 1981 Dec 23 2324 -5:00 - EST 1982 Dec 2 2325 -6:00 Mexico C%sT 2326# Coahuila, Durango, Nuevo Le��n, Tamaulipas (near US border) 2327Zone America/Matamoros -6:40:00 - LMT 1921 Dec 31 23:20:00 2328 -6:00 - CST 1988 --- 826 unchanged lines hidden --- | 2340# Campeche, Yucat��n; represented by M��rida 2341Zone America/Merida -5:58:28 - LMT 1922 Jan 1 0:01:32 2342 -6:00 - CST 1981 Dec 23 2343 -5:00 - EST 1982 Dec 2 2344 -6:00 Mexico C%sT 2345# Coahuila, Durango, Nuevo Le��n, Tamaulipas (near US border) 2346Zone America/Matamoros -6:40:00 - LMT 1921 Dec 31 23:20:00 2347 -6:00 - CST 1988 --- 826 unchanged lines hidden --- |