southamerica revision 19878
199730Sbenno# @(#)southamerica 7.14 299730Sbenno 399730Sbenno# This data is by no means authoritative; if you think you know better, 499730Sbenno# go ahead and edit the file (and please send any changes to 599730Sbenno# tz@elsie.nci.nih.gov for general use in the future). 699730Sbenno 799730Sbenno# From Paul Eggert <eggert@twinsun.com> (1996-09-03): 899730Sbenno# A good source for time zone historical data outside the U.S. is 999730Sbenno# Thomas G. Shanks, The International Atlas (3rd edition), 1099730Sbenno# San Diego: ACS Publications, Inc. (1991). 1199730Sbenno# Except where otherwise noted, it is the source for the data below. 1299730Sbenno# 1399730Sbenno# The following abbreviations are used in this file. 1499730Sbenno# Corrections are welcome! 1599730Sbenno# std dst 1699730Sbenno# LMT Local Mean Time 1799730Sbenno# -2:00 FST FDT Fernando de Noronha 1899730Sbenno# -3:00 EST EDT Eastern Brazil 1999730Sbenno# -4:00 WST WDT Western Brazil 2099730Sbenno# -4:00 AST ADT Atlantic 2199730Sbenno# -5:00 AST ADT Acre 2299730Sbenno# 2399730Sbenno# See the `africa' file for time zone naming and abbreviation conventions. 2499730Sbenno# Earlier editions of these tables used the North American style (e.g. ARST and 2599730Sbenno# ARDT for Argentine Standard and Daylight Time), but the following quote 2699730Sbenno# suggests that it's better to use European style (e.g. ART and ARST). 2799730Sbenno# I suggest the use of _Summer time_ instead of the more cumbersome 2899730Sbenno# _daylight-saving time_. _Summer time_ seems to be in general use 2999730Sbenno# in Europe and South America. 3099730Sbenno# -- E O Cutler, _New York Times_ (1937-02-14), quoted in 3199730Sbenno# H L Mencken, _The American Language: Supplement I_ (1960), p 466 3299730Sbenno 3399730Sbenno 3499730Sbenno# From Guy Harris: 3599730Sbenno# From Official Airline Guide - Worldwide Edition (1987). Countries not 3699730Sbenno# listed here do not observe DST, according to the OAG. Time zone names 3799730Sbenno# are pure inventions, and none are supplied for countries not observing 3899730Sbenno# DST; updates from natives would be appreciated. The times that DST 3999730Sbenno# starts and ends are based on the assumption that they switch a 2AM just 4099730Sbenno# as everybody else does. 4199730Sbenno 4299730Sbenno############################################################################### 4399730Sbenno 4499730Sbenno############################################################################### 4599730Sbenno 4699730Sbenno# Argentina 4799730Sbenno 4899730Sbenno# From Bob Devine (1988-01-28): 4999730Sbenno# Argentina: first Sunday in October to first Sunday in April since 1976. 5099730Sbenno# Double Summer time from 1969 to 1974. Switches at midnight. 5199730Sbenno 5299730Sbenno# From U. S. Naval Observatory (1988-01-199): 5399730Sbenno# ARGENTINA 3 H BEHIND UTC 5499730Sbenno 5599730Sbenno# From Hernan G. Otero <hernan@isoft.com.ar> (1995-06-26): 5699730Sbenno# I am sending modifications to the Argentinian time zone table... 5799730Sbenno# AR was chosen because they are the ISO letters that represent Argentina. 5899730Sbenno 5999730Sbenno# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 6099730SbennoRule Arg 1930 only - Dec 1 0:00 1:00 S 6199730SbennoRule Arg 1931 only - Apr 1 0:00 0 - 6299730SbennoRule Arg 1931 only - Oct 15 0:00 1:00 S 6399730SbennoRule Arg 1932 1940 - Mar 1 0:00 0 - 6499730SbennoRule Arg 1932 1939 - Nov 1 0:00 1:00 S 6599730SbennoRule Arg 1940 only - Jul 1 0:00 1:00 S 6699730SbennoRule Arg 1941 only - Jun 15 0:00 0 - 6799730SbennoRule Arg 1941 only - Oct 15 0:00 1:00 S 6899730SbennoRule Arg 1943 only - Aug 1 0:00 0 - 6999730SbennoRule Arg 1943 only - Oct 15 0:00 1:00 S 7099730SbennoRule Arg 1946 only - Mar 1 0:00 0 - 7199730SbennoRule Arg 1946 only - Oct 1 0:00 1:00 S 7299730SbennoRule Arg 1963 only - Oct 1 0:00 0 - 7399730SbennoRule Arg 1963 only - Dec 15 0:00 1:00 S 7499730SbennoRule Arg 1964 1966 - Mar 1 0:00 0 - 7599730SbennoRule Arg 1964 1966 - Oct 15 0:00 1:00 S 7699730SbennoRule Arg 1967 only - Apr 1 0:00 0 - 7799730SbennoRule Arg 1967 1968 - Oct Sun<=7 0:00 1:00 S 7899730SbennoRule Arg 1968 1969 - Apr Sun<=7 0:00 0 - 7999730SbennoRule Arg 1974 only - Jan 23 0:00 1:00 S 8099730SbennoRule Arg 1974 only - May 1 0:00 0 - 8199730SbennoRule Arg 1974 1976 - Oct Sun<=7 0:00 1:00 S 8299730SbennoRule Arg 1975 1977 - Apr Sun<=7 0:00 0 - 8399730SbennoRule Arg 1985 only - Nov 2 0:00 1:00 S 8499730SbennoRule Arg 1986 only - Mar 14 0:00 0 - 8599730SbennoRule Arg 1986 1987 - Oct 25 0:00 1:00 S 8699730SbennoRule Arg 1987 only - Feb 13 0:00 0 - 8799730SbennoRule Arg 1988 only - Feb 7 0:00 0 - 8899730SbennoRule Arg 1988 only - Dec 1 0:00 1:00 S 8999730Sbenno# 9099730Sbenno# From Hernan G. Otero <hernan@isoft.com.ar> (1995-06-26): 9199730Sbenno# These corrections were contributed by InterSoft Argentina S.A., 9299730Sbenno# obtaining the data from the: 9399730Sbenno# Talleres de Hidrografia Naval Argentina 9499730Sbenno# (Argentinian Naval Hydrography Institute) 9599730Sbenno# 9699730Sbenno# Shanks gives 1989 Mar 16 and stops after 1990 Mar 4; go with Otero. 9799730SbennoRule Arg 1989 1993 - Mar Sun>=1 0:00 0 - 9899730SbennoRule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 S 9999730Sbenno# 10099730Sbenno# From Hernan G. Otero <hernan@isoft.com.ar> (1995-06-26): 10199730Sbenno# From this moment on, the law that mandated the daylight saving 10299730Sbenno# time corrections was derogated and no more modifications 10399730Sbenno# to the time zones (for daylight saving) are now made. 10499730Sbenno# 10599730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 10699730SbennoZone America/Buenos_Aires -3:53:48 - LMT 1894 Nov 10799730Sbenno -4:16:44 - CMT 1920 May # Cordoba Mean Time 10899730Sbenno -4:00 - ART 1930 Dec 10999730Sbenno -4:00 Arg AR%sT 1969 Oct 5 11099730Sbenno -3:00 Arg AR%sT 11199730Sbenno 11299730Sbenno# Aruba 11399730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 11499730SbennoZone America/Aruba -4:40:24 - LMT 1912 Feb 12 # Oranjestad 11599730Sbenno -4:30 - ANT 1965 # Netherlands Antilles Time 11699730Sbenno -4:00 - AST 11799730Sbenno 11899730Sbenno# Bolivia 11999730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 12099730SbennoZone America/La_Paz -4:32:36 - LMT 1890 12199730Sbenno -4:32:36 - LPMT 1931 Oct 15 # La Paz Mean Time 12299730Sbenno -4:32:36 1:00 BOST 1932 Mar 21 # Bolivia ST 12399730Sbenno -4:00 - BOT # Bolivia Time 12499730Sbenno 12599730Sbenno# Brazil 12699730Sbenno 12799730Sbenno# From Guy Harris: 12899730Sbenno# The OAG lists 1987-10-25 and 1988-02-12 as the starting and 12999730Sbenno# ending dates, giving them as "estimated date(s) based on previous year". We 13099730Sbenno# infer a rule here from one example, always a dangerous practice.... Yes, 13199730Sbenno# they really do switch on Saturday, according to the OAG. 13299730Sbenno# "[America/Porto_Acre]" is for the Territory of Acre; 13399730Sbenno# "[America/Noronha]" is for Fernando De Noronha. 13499730Sbenno 13599730Sbenno# From Bob Devine (1988-01-28): 13699730Sbenno# The only information I found is that there was no DST up to 1985. 13799730Sbenno# But there was some before 1952! 13899730Sbenno 13999730Sbenno# From U. S. Naval Observatory (1989-01-16): 14099730Sbenno# BRAZIL WEST 5 H BEHIND UTC TERRITORY OF ACRE 14199730Sbenno# BRAZIL WEST 4 H BEHIND UTC ACRE OCT 23, '88-FEB 11, 14299730Sbenno# BRAZIL '89 (ESTIMATED) 14399730Sbenno# BRAZIL CENTRAL 4 H BEHIND UTC MANAUS 14499730Sbenno# BRAZIL CENTRAL 3 H BEHIND UTC MANAUS OCT 23, '88-FEB 11, 14599730Sbenno# BRAZIL CENTRAL '89 (ESTIMATED) 14699730Sbenno# BRAZIL EAST 3 H BEHIND UTC COASTAL STATES, RIO, SAO 14799730Sbenno# BRAZIL EAST PAULO, BRASILIA 14899730Sbenno# BRAZIL EAST 2 H BEHIND UTC COASTAL STATES, RIO, SAO 14999730Sbenno# BRAZIL PAULO, BRASILIA OCT 23, 15099730Sbenno# BRAZIL '88-FEB 11, '89 15199730Sbenno# BRAZIL (ESTIMATED) 15299730Sbenno# BRAZIL 2 H BEHIND UTC ATLANTIC ISLANDS, FERNANDO 15399730Sbenno# BRAZIL DE NORONHA 15499730Sbenno# BRAZIL 1 H BEHIND UTC OCT 23, '88-FEB 11, '89 15599730Sbenno# BRAZIL (ESTIMATED) 15699730Sbenno# BRAZIL 3 H BEHIND UTC FOR MOST MAJOR AIRPORTS. 15799730Sbenno 15899730Sbenno# From Paul Eggert <eggert@twinsun.com> (1993-11-18): 15999730Sbenno# The mayor of Rio recently attempted to change the time zone rules 16099730Sbenno# just in his city, in order to leave more summer time for the tourist trade. 16199730Sbenno# The rule change lasted only part of the day; 16299730Sbenno# the federal government refused to follow the city's rules, and business 16399730Sbenno# was in a chaos, so the mayor backed down that afternoon. 16499730Sbenno# Shanks claims Acre stopped observing DST after 1988 Feb 7, but it 16599730Sbenno# could just be that his table ran out of room. We're extrapolating 16699730Sbenno# about time zone changes after 1990 Feb 11. 16799730Sbenno 16899730Sbenno# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 16999730SbennoRule Brazil 1931 only - Oct 3 11:00 1:00 D 17099730SbennoRule Brazil 1932 1933 - Apr 1 0:00 0 S 17199730SbennoRule Brazil 1932 only - Oct 3 0:00 1:00 D 17299730SbennoRule Brazil 1949 1952 - Dec 1 0:00 1:00 D 17399730SbennoRule Brazil 1950 only - Apr 16 0:00 0 S 17499730SbennoRule Brazil 1951 1953 - Apr 1 0:00 0 S 17599730SbennoRule Brazil 1963 only - Dec 9 0:00 1:00 D 17699730SbennoRule Brazil 1964 only - Mar 1 0:00 0 S 17799730SbennoRule Brazil 1965 only - Jan 31 0:00 1:00 D 17899730SbennoRule Brazil 1965 only - Apr 1 0:00 0 S 17999730SbennoRule Brazil 1965 only - Dec 1 0:00 1:00 D 18099730SbennoRule Brazil 1966 1968 - Mar 1 0:00 0 S 18199730SbennoRule Brazil 1966 1967 - Nov 1 0:00 1:00 D 18299730SbennoRule Brazil 1985 only - Nov 2 0:00 1:00 D 18399730SbennoRule Brazil 1986 only - Mar 15 0:00 0 S 18499730SbennoRule Brazil 1986 1987 - Oct Sat<=28 0:00 1:00 D 18599730SbennoRule Brazil 1987 only - Feb 14 0:00 0 S 18699730SbennoRule Brazil 1988 only - Feb 7 0:00 0 S 18799730SbennoRule Brazil 1989 only - Jan 22 0:00 0 S 18899730SbennoRule Brazil 1988 max - Oct Sun>=15 0:00 1:00 D 18999730SbennoRule Brazil 1990 max - Feb Sun>=8 0:00 0 S 19099730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 19199730SbennoZone America/Noronha -2:09:40 - LMT 1914 19299730Sbenno -2:00 - FST 1963 Dec 9 19399730Sbenno -2:00 Brazil F%sT 19499730SbennoZone America/Sao_Paulo -3:06:28 - LMT 1914 19599730Sbenno -3:00 Brazil E%sT 19699730SbennoZone America/Manaus -4:00:04 - LMT 1914 19799730Sbenno -4:00 - WST 1963 Dec 9 19899730Sbenno -4:00 Brazil W%sT 19999730Sbenno# Rio_Branco is too ambiguous, since there's a Rio Branco in Uruguay too. 20099730SbennoZone America/Porto_Acre -4:31:12 - LMT 1914 20199730Sbenno -5:00 - AST 1963 Dec 9 20299730Sbenno -5:00 Brazil A%sT 20399730Sbenno# 20499730Sbenno# Martin Vaz and Trinidade are like America/Noronha. 20599730Sbenno 20699730Sbenno 20799730Sbenno# Chile 20899730Sbenno 20999730Sbenno# From Eduardo Krell (1995-10-19): 21099730Sbenno# The law says to switch to DST at midnight [24:00] on the second SATURDAY 21199730Sbenno# of October.... The law is the same for March and October. 21299730Sbenno 21399730Sbenno# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 21499730SbennoRule Chile 1918 only - Sep 1 0:00 1:00 S 21599730SbennoRule Chile 1919 only - Jul 2 0:00 0 - 21699730SbennoRule Chile 1927 1931 - Sep 1 0:00 1:00 S 21799730SbennoRule Chile 1928 1932 - Apr 1 0:00 0 - 21899730SbennoRule Chile 1969 max - Oct Sun>=9 0:00 1:00 S 21999730SbennoRule Chile 1970 max - Mar Sun>=9 0:00 0 - 22099730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 22199730SbennoZone America/Santiago -4:42:40 - LMT 1890 22299730Sbenno -4:42:40 - SMT 1910 # Santiago Mean Time 22399730Sbenno -5:00 Chile CL%sT 1932 Sep # Chile Time 22499730Sbenno -4:00 Chile CL%sT 22599730SbennoZone Pacific/Easter -7:17:28 - LMT 1890 # Mataveri 22699730Sbenno -7:17:28 - MMT 1932 Sep # Mataveri Mean Time 22799730Sbenno -7:00 Chile EAS%sT 1982 Mar 14 # Easter I Time 22899730Sbenno -6:00 Chile EAS%sT 22999730Sbenno# 23099730Sbenno# Whitman says Juan Fernandez Is are like America/Santiago. 23199730Sbenno# San Ambrosio, San Felix 23299730Sbenno# no information; probably like America/Santiago 23399730Sbenno 23499730Sbenno 23599730Sbenno# Colombia 23699730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 23799730SbennoZone America/Bogota -4:56:20 - LMT 1884 Mar 13 23899730Sbenno -4:56:20 - BMT 1914 Nov 23 # Bogota Mean Time 23999730Sbenno -5:00 - COT # Colombia Time 24099730Sbenno# Malpelo, Providencia, San Andres 24199730Sbenno# no information; probably like America/Bogota 24299730Sbenno 24399730Sbenno# Curacao 24499730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 24599730SbennoZone America/Curacao -4:35:44 - LMT 1912 Feb 12 # Willemstad 24699730Sbenno -4:30 - ANT 1965 # Netherlands Antilles Time 24799730Sbenno -4:00 - AST 24899730Sbenno 24999730Sbenno# Ecuador 25099730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 25199730SbennoZone America/Guayaquil -5:19:20 - LMT 1890 25299730Sbenno -5:14:00 - QMT 1931 # Quito Mean Time 25399730Sbenno -5:00 - ECT # Ecuador Time 25499730SbennoZone Pacific/Galapagos -5:58:24 - LMT 1931 # Puerto Baquerizo Moreno 25599730Sbenno -5:00 - ECT 1986 25699730Sbenno -6:00 - GALT # Galapagos Time 25799730Sbenno 25899730Sbenno# Falklands 25999730Sbenno# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 26099730SbennoRule Falk 1937 1938 - Sep lastSun 0:00 1:00 S 26199730SbennoRule Falk 1938 1942 - Mar Sun>=19 0:00 0 - 26299730SbennoRule Falk 1939 only - Oct 1 0:00 1:00 S 26399730SbennoRule Falk 1940 1942 - Sep lastSun 0:00 1:00 S 26499730SbennoRule Falk 1943 only - Jan 1 0:00 0 - 26599730SbennoRule Falk 1983 only - Sep lastSun 0:00 1:00 S 26699730SbennoRule Falk 1984 1985 - Apr lastSun 0:00 0 - 26799730SbennoRule Falk 1984 only - Sep 16 0:00 1:00 S 26899730SbennoRule Falk 1985 max - Sep Sun>=9 0:00 1:00 S 26999730SbennoRule Falk 1986 max - Apr Sun>=16 0:00 0 - 27099730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 27199730SbennoZone Atlantic/Stanley -3:51:24 - LMT 1890 27299730Sbenno -3:51:24 - SMT 1912 Mar 12 # Stanley Mean Time 27399730Sbenno -4:00 Falk FK%sT 1983 May # Falkland Is Time 27499730Sbenno -3:00 Falk FK%sT 1985 Sep 15 27599730Sbenno -4:00 Falk FK%sT 27699730Sbenno 27799730Sbenno# French Guiana 27899730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 27999730SbennoZone America/Cayenne -3:29:20 - LMT 1911 Jul 28099730Sbenno -4:00 - GFT 1967 Oct # French Guiana Time 28199730Sbenno -3:00 - GFT 28299730Sbenno 28399730Sbenno# Guyana 28499730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 28599730SbennoZone America/Guyana -3:52:40 - LMT 1915 Mar # Georgetown 28699730Sbenno -3:45 - GBGT 1966 May 26 # Br Guiana Time 28799730Sbenno -3:45 - GYT 1975 Jul 31 # Guyana Time 28899730Sbenno -3:00 - GYT 28999730Sbenno 29099730Sbenno 29199730Sbenno# Paraguay 29299730Sbenno 29399730Sbenno# From Bob Devine (1988-01-28): 29499730Sbenno# Paraguay: First day in October to last in March. Midnight switch?? 29599730Sbenno# Since 1980. 29699730Sbenno 29799730Sbenno# From U. S. Naval Observatory (1989-01-19): 29899730Sbenno# PARAGUAY 4 H BEHIND UTC 29999730Sbenno# PARAGUAY 3 H BEHIND UTC OCT 1, '88-MAR 31, '89 30099730Sbenno 30199730Sbenno# From Shanks (1991): 30299730Sbenno# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 30399730SbennoRule Para 1975 1978 - Oct 1 0:00 1:00 S 30499730SbennoRule Para 1975 1978 - Mar 1 0:00 0 - 30599730Sbenno# Shanks says 1979 was all DST. 30699730SbennoRule Para 1980 max - Apr 1 0:00 0 - 30799730SbennoRule Para 1980 1988 - Oct 1 0:00 1:00 S 30899730SbennoRule Para 1989 only - Oct 22 0:00 1:00 S 30999730SbennoRule Para 1990 max - Oct 1 0:00 1:00 S 31099730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 31199730SbennoZone America/Asuncion -3:50:40 - LMT 1890 31299730Sbenno -3:50:40 - AMT 1931 Oct 10 # Asuncion Mean Time 31399730Sbenno -4:00 - PYT 1972 Oct # Paraguay Time 31499730Sbenno -3:00 - PYT 1974 Apr 31599730Sbenno -4:00 Para PY%sT 31699730Sbenno 31799730Sbenno# Peru 31899730Sbenno# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 31999730SbennoRule Peru 1938 only - Jan 1 0:00 1:00 S 32099730SbennoRule Peru 1938 only - Apr 1 0:00 0 - 32199730SbennoRule Peru 1938 1939 - Sep lastSun 0:00 1:00 S 32299730SbennoRule Peru 1939 1940 - Mar Sun>=24 0:00 0 - 32399730SbennoRule Peru 1987 only - Jan 1 0:00 1:00 S 32499730SbennoRule Peru 1987 only - Apr 1 0:00 0 - 32599730SbennoRule Peru 1990 only - Jan 1 0:00 1:00 S 32699730SbennoRule Peru 1990 only - Apr 1 0:00 0 - 32799730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 32899730SbennoZone America/Lima -5:08:12 - LMT 1890 32999730Sbenno -5:09 - LMT 1908 Jul 28 # Lima Mean Time 33099730Sbenno -5:00 Peru PE%sT # Peru Time 33199730Sbenno 33299730Sbenno# South Georgia 33399730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 33499730SbennoZone Atlantic/South_Georgia -2:26:08 - LMT 1890 # Grytviken 33599730Sbenno -2:00 - GST # South Georgia Time 33699730Sbenno 33799730Sbenno# South Sandwich Is 33899730Sbenno# uninhabited 33999730Sbenno 34099730Sbenno# Suriname 34199730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 34299730SbennoZone America/Paramaribo -3:40:40 - LMT 1911 34399730Sbenno -3:40:52 - PMT 1935 # Paramaribo Mean Time 34499730Sbenno -3:40:36 - PMT 1945 Oct # The capital moved? 34599730Sbenno -3:30 - NEGT 1975 Nov 20 # Dutch Guiana Time 34699730Sbenno -3:30 - SRT 1984 Oct # Suriname Time 34799730Sbenno -3:00 - SRT 34899730Sbenno 34999730Sbenno# Trinidad and Tobago 35099730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 35199730SbennoZone America/Port_of_Spain -4:06:04 - LMT 1912 Mar 2 35299730Sbenno -4:00 - AST 35399730Sbenno 35499730Sbenno# Uruguay 35599730Sbenno# From Paul Eggert <eggert@twinsun.com> (1993-11-18): 35699730Sbenno# Uruguay wins the prize for the strangest peacetime manipulation of the rules. 35799730Sbenno# From Shanks (1991): 35899730Sbenno# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 35999730Sbenno# Whitman gives 1923 Oct 1; go with Shanks. 36099730SbennoRule Uruguay 1923 only - Oct 2 0:00 0:30 HS 36199730SbennoRule Uruguay 1924 1926 - Apr 1 0:00 0 - 36299730SbennoRule Uruguay 1924 1925 - Oct 1 0:00 0:30 HS 36399730SbennoRule Uruguay 1933 1935 - Oct lastSun 0:00 0:30 HS 36499730Sbenno# Shanks gives 1935 Apr 1 0:00 and 1936 Mar 30 0:00; go with Whitman. 36599730SbennoRule Uruguay 1934 1936 - Mar Sat>=25 23:30s 0 - 36699730SbennoRule Uruguay 1936 only - Nov 1 0:00 0:30 HS 36799730SbennoRule Uruguay 1937 1941 - Mar lastSun 0:00 0 - 36899730Sbenno# Whitman gives 1937 Oct 3; go with Shanks. 36999730SbennoRule Uruguay 1937 1940 - Oct lastSun 0:00 0:30 HS 37099730Sbenno# Whitman gives 1941 Oct 24 - 1942 Mar 27, 1942 Dec 14 - 1943 Apr 13, 37199730Sbenno# and 1943 Apr 13 ``to present time''; go with Shanks. 37299730SbennoRule Uruguay 1941 only - Aug 1 0:00 0 - 37399730SbennoRule Uruguay 1942 only - Jan 1 0:00 0:30 HS 37499730SbennoRule Uruguay 1942 only - Dec 14 0:00 1:00 S 37599730SbennoRule Uruguay 1943 only - Mar 14 0:00 0 - 37699730SbennoRule Uruguay 1959 only - May 24 0:00 1:00 S 37799730SbennoRule Uruguay 1959 only - Nov 15 0:00 0 - 37899730SbennoRule Uruguay 1960 only - Jan 17 0:00 1:00 S 37999730SbennoRule Uruguay 1960 only - Mar 6 0:00 0 - 38099730SbennoRule Uruguay 1965 1967 - Apr Sun>=1 0:00 1:00 S 38199730SbennoRule Uruguay 1965 only - Sep 26 0:00 0 - 38299730SbennoRule Uruguay 1966 1967 - Oct 31 0:00 0 - 38399730SbennoRule Uruguay 1968 1970 - May 27 0:00 0:30 HS 38499730SbennoRule Uruguay 1968 1970 - Dec 2 0:00 0 - 38599730SbennoRule Uruguay 1972 only - Apr 24 0:00 1:00 S 38699730SbennoRule Uruguay 1972 only - Aug 15 0:00 0 - 38799730SbennoRule Uruguay 1974 only - Mar 10 0:00 0:30 HS 38899730SbennoRule Uruguay 1974 only - Dec 22 0:00 1:00 S 38999730SbennoRule Uruguay 1976 only - Oct 1 0:00 0 - 39099730SbennoRule Uruguay 1977 only - Dec 4 0:00 1:00 S 39199730SbennoRule Uruguay 1978 only - Apr 1 0:00 0 - 39299730SbennoRule Uruguay 1979 only - Oct 1 0:00 1:00 S 39399730SbennoRule Uruguay 1980 only - May 1 0:00 0 - 39499730SbennoRule Uruguay 1987 only - Dec 14 0:00 1:00 S 39599730SbennoRule Uruguay 1988 only - Mar 14 0:00 0 - 39699730SbennoRule Uruguay 1988 only - Dec 11 0:00 1:00 S 39799730SbennoRule Uruguay 1989 only - Mar 12 0:00 0 - 39899730SbennoRule Uruguay 1989 only - Oct 29 0:00 1:00 S 39999730SbennoRule Uruguay 1990 only - Mar 4 0:00 0 - 40099730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 40199730SbennoZone America/Montevideo -3:44:44 - LMT 1898 Jun 28 40299730Sbenno -3:44:44 - MMT 1920 May 1 # Montevideo MT 40399730Sbenno -3:30 Uruguay UY%sT 1942 Dec 14 # Uruguay Time 40499730Sbenno -3:00 Uruguay UY%sT 40599730Sbenno 40699730Sbenno# Venezuela 40799730Sbenno# Zone NAME GMTOFF RULES FORMAT [UNTIL] 40899730SbennoZone America/Caracas -4:27:44 - LMT 1890 40999730Sbenno -4:27:44 - CMT 1912 Feb 12 # Caracas Mean Time 41099730Sbenno -4:30 - VET 1965 # Venezuela Time 41199730Sbenno -4:00 - VET 41299730Sbenno