1# @(#)southamerica 7.61 |
2 3# This data is by no means authoritative; if you think you know better, 4# go ahead and edit the file (and please send any changes to 5# tz@elsie.nci.nih.gov for general use in the future). 6 |
7# From Paul Eggert (1999-07-07): |
8# A good source for time zone historical data outside the U.S. is 9# Thomas G. Shanks, The International Atlas (5th edition), 10# San Diego: ACS Publications, Inc. (1999). 11# 12# Gwillim Law writes that a good source 13# for recent time zone data is the International Air Transport 14# Association's Standard Schedules Information Manual (IATA SSIM), 15# published semiannually. Law sent in several helpful summaries --- 37 unchanged lines hidden (view full) --- 53 54# From Bob Devine (1988-01-28): 55# Argentina: first Sunday in October to first Sunday in April since 1976. 56# Double Summer time from 1969 to 1974. Switches at midnight. 57 58# From U. S. Naval Observatory (1988-01-199): 59# ARGENTINA 3 H BEHIND UTC 60 |
61# From Hernan G. Otero (1995-06-26): |
62# I am sending modifications to the Argentine time zone table... 63# AR was chosen because they are the ISO letters that represent Argentina. 64 65# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 66Rule Arg 1930 only - Dec 1 0:00 1:00 S 67Rule Arg 1931 only - Apr 1 0:00 0 - 68Rule Arg 1931 only - Oct 15 0:00 1:00 S 69Rule Arg 1932 1940 - Mar 1 0:00 0 - --- 11 unchanged lines hidden (view full) --- 81Rule Arg 1964 1966 - Oct 15 0:00 1:00 S 82Rule Arg 1967 only - Apr 2 0:00 0 - 83Rule Arg 1967 1968 - Oct Sun>=1 0:00 1:00 S 84Rule Arg 1968 1969 - Apr Sun>=1 0:00 0 - 85Rule Arg 1974 only - Jan 23 0:00 1:00 S 86Rule Arg 1974 only - May 1 0:00 0 - 87Rule Arg 1988 only - Dec 1 0:00 1:00 S 88# |
89# From Hernan G. Otero (1995-06-26): |
90# These corrections were contributed by InterSoft Argentina S.A., 91# obtaining the data from the: 92# Talleres de Hidrografia Naval Argentina 93# (Argentine Naval Hydrography Institute) 94# 95# Shanks stops after 1992-03-01; go with Otero. 96Rule Arg 1989 1993 - Mar Sun>=1 0:00 0 - 97Rule Arg 1989 1992 - Oct Sun>=15 0:00 1:00 S 98# |
99# From Hernan G. Otero (1995-06-26): |
100# From this moment on, the law that mandated the daylight saving 101# time corrections was derogated and no more modifications 102# to the time zones (for daylight saving) are now made. 103# 104# From Rives McDow (2000-01-10): 105# On October 3, 1999, 0:00 local, Argentina implemented daylight savings time, 106# which did not result in the switch of a time zone, as they stayed 9 hours 107# from the International Date Line. 108Rule Arg 1999 only - Oct Sun>=1 0:00 1:00 S 109Rule Arg 2000 only - Mar Sun>=1 0:00 0 - 110# 111# From Peter Gradelski via Steffen Thorsen (2000-03-01): 112# We just checked with our Sao Paulo office and they say the government of 113# Argentina decided not to become one of the countries that go on or off DST. 114# So Buenos Aires should be -3 hours from GMT at all times. 115# |
116# From Fabian L. Arce Jofre (2000-04-04): |
117# The law that claimed DST for Argentina was derogated by President Fernando 118# de la Rua on March 2, 2000, because it would make people spend more energy 119# in the winter time, rather than less. The change took effect on March 3. 120# 121# From Mariano Absatz (2001-06-06): 122# one of the major newspapers here in Argentina said that the 1999 123# Timezone Law (which never was effectively applied) will (would?) be 124# in effect.... The article is at --- 163 unchanged lines hidden (view full) --- 288 -4:00 - WART 1990 Oct 28 289 -4:00 1:00 WARST 1991 Mar 17 290 -4:00 - WART 1991 Oct 6 291 -3:00 1:00 ARST 1992 292 -3:00 Arg AR%sT 1999 Oct 3 293 -4:00 Arg AR%sT 2000 Mar 3 294 -3:00 - ART 295# |
296# Catamarca (CT), Chubut (CH) |
297Zone America/Argentina/Catamarca -4:23:08 - LMT 1894 Oct 31 298 -4:16:48 - CMT 1920 May 299 -4:00 - ART 1930 Dec 300 -4:00 Arg AR%sT 1969 Oct 5 301 -3:00 Arg AR%sT 1991 Mar 3 302 -4:00 - WART 1991 Oct 20 303 -3:00 Arg AR%sT 1999 Oct 3 304 -4:00 Arg AR%sT 2000 Mar 3 --- 13 unchanged lines hidden (view full) --- 318 -4:00 1:00 WARST 1992 Mar 1 319 -4:00 - WART 1992 Oct 18 320 -3:00 Arg AR%sT 1999 Oct 3 321 -4:00 Arg AR%sT 2000 Mar 3 322 -3:00 - ART 2004 May 23 323 -4:00 - WART 2004 Sep 26 324 -3:00 - ART 325# |
326# Santa Cruz (SC) 327Zone America/Argentina/Rio_Gallegos -4:36:52 - LMT 1894 Oct 31 328 -4:16:48 - CMT 1920 May # Cordoba Mean Time 329 -4:00 - ART 1930 Dec 330 -4:00 Arg AR%sT 1969 Oct 5 331 -3:00 Arg AR%sT 1999 Oct 3 332 -4:00 Arg AR%sT 2000 Mar 3 333 -3:00 - ART 2004 Jun 1 --- 21 unchanged lines hidden (view full) --- 355# Zone NAME GMTOFF RULES FORMAT [UNTIL] 356Zone America/La_Paz -4:32:36 - LMT 1890 357 -4:32:36 - CMT 1931 Oct 15 # Calamarca MT 358 -4:32:36 1:00 BOST 1932 Mar 21 # Bolivia ST 359 -4:00 - BOT # Bolivia Time 360 361# Brazil 362 |
363# From Paul Eggert (1993-11-18): |
364# The mayor of Rio recently attempted to change the time zone rules 365# just in his city, in order to leave more summer time for the tourist trade. 366# The rule change lasted only part of the day; 367# the federal government refused to follow the city's rules, and business 368# was in a chaos, so the mayor backed down that afternoon. 369 370# From IATA SSIM (1996-02): 371# _Only_ the following states in BR1 observe DST: Rio Grande do Sul (RS), --- 141 unchanged lines hidden (view full) --- 513# adds AL, SE. 514Rule Brazil 1993 1995 - Oct Sun>=11 0:00 1:00 S 515Rule Brazil 1994 1995 - Feb Sun>=15 0:00 0 - 516Rule Brazil 1996 only - Feb 11 0:00 0 - 517# Decree <a href="http://pcdsh01.on.br/HV2000.htm">2,000</a> (1996-09-04) 518# adopted by same states, minus AL, SE. 519Rule Brazil 1996 only - Oct 6 0:00 1:00 S 520Rule Brazil 1997 only - Feb 16 0:00 0 - |
521# From Daniel C. Sobral (1998-02-12): |
522# In 1997, the DS began on October 6. The stated reason was that 523# because international television networks ignored Brazil's policy on DS, 524# they bought the wrong times on satellite for coverage of Pope's visit. 525# This year, the ending date of DS was postponed to March 1 526# to help dealing with the shortages of electric power. 527# 528# From Paul Eggert (1998-02-25): 529# <a href="http://churchnet.ucsm.ac.uk/news/files2/news165.htm"> --- 393 unchanged lines hidden (view full) --- 923Rule Para 1997 only - Feb lastSun 0:00 0 - 924# Shanks says 1999-02-28; IATA SSIM (1999-02) says 1999-02-27, but 925# (1999-09) reports no date; go with above sources and Gerd Knops (2001-02-27). 926Rule Para 1998 2001 - Mar Sun>=1 0:00 0 - 927# From Rives McDow (2002-02-28): 928# A decree was issued in Paraguay (no. 16350) on 2002-02-26 that changed the 929# dst method to be from the first Sunday in September to the first Sunday in 930# April. |
931Rule Para 2002 2004 - Apr Sun>=1 0:00 0 - 932Rule Para 2002 2003 - Sep Sun>=1 0:00 1:00 S 933# 934# From Jesper Norgaard Welen (2005-01-02): 935# There are several sources that claim that Paraguay made 936# a timezone rule change in autumn 2004. 937# From Steffen Thorsen (2005-01-05): 938# Decree 1,867 (2004-03-05) <http://www.labor.com.py/noticias.asp?id=27> 939Rule Para 2004 max - Oct Sun>=15 0:00 1:00 S 940Rule Para 2005 max - Mar Sun>=8 0:00 0 - |
941 |
942# Zone NAME GMTOFF RULES FORMAT [UNTIL] 943Zone America/Asuncion -3:50:40 - LMT 1890 944 -3:50:40 - AMT 1931 Oct 10 # Asuncion Mean Time 945 -4:00 - PYT 1972 Oct # Paraguay Time 946 -3:00 - PYT 1974 Apr 947 -4:00 Para PY%sT 948 949# Peru 950# 951# <a href="news:xrGmb.39935$gA1.13896113@news4.srv.hcvlny.cv.net"> 952# From Evelyn C. Leeper via Mark Brader (2003-10-26):</a> |
953# When we were in Peru in 1985-1986, they apparently switched over |
954# sometime between December 29 and January 3 while we were on the Amazon. 955# 956# From Paul Eggert (2003-11-02): 957# Shanks doesn't have this transition. Assume 1986 was like 1987. 958 959# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 960Rule Peru 1938 only - Jan 1 0:00 1:00 S 961Rule Peru 1938 only - Apr 1 0:00 0 - --- 29 unchanged lines hidden (view full) --- 991 -3:00 - SRT 992 993# Trinidad and Tobago 994# Zone NAME GMTOFF RULES FORMAT [UNTIL] 995Zone America/Port_of_Spain -4:06:04 - LMT 1912 Mar 2 996 -4:00 - AST 997 998# Uruguay |
999# From Paul Eggert (1993-11-18): |
1000# Uruguay wins the prize for the strangest peacetime manipulation of the rules. 1001# From Shanks: 1002# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S 1003# Whitman gives 1923 Oct 1; go with Shanks. 1004Rule Uruguay 1923 only - Oct 2 0:00 0:30 HS 1005Rule Uruguay 1924 1926 - Apr 1 0:00 0 - 1006Rule Uruguay 1924 1925 - Oct 1 0:00 0:30 HS 1007Rule Uruguay 1933 1935 - Oct lastSun 0:00 0:30 HS --- 36 unchanged lines hidden (view full) --- 1044# and that 1992/3's DST was from 10-25 to 03-01. Go with IATA. 1045Rule Uruguay 1990 1992 - Mar Sun>=1 0:00 0 - 1046Rule Uruguay 1990 1991 - Oct Sun>=21 0:00 1:00 S 1047Rule Uruguay 1992 only - Oct 18 0:00 1:00 S 1048Rule Uruguay 1993 only - Feb 28 0:00 0 - 1049# From Eduardo Cota (2004-09-20): 1050# The uruguayan government has decreed a change in the local time.... 1051# http://www.presidencia.gub.uy/decretos/2004091502.htm |
1052Rule Uruguay 2004 only - Sep 19 0:00 1:00 S 1053# From Steffen Thorsen (2005-03-11): 1054# Uruguay's DST was scheduled to end on Sunday, 2005-03-13, but in order to 1055# save energy ... it was postponed two weeks.... 1056# http://www.presidencia.gub.uy/_Web/noticias/2005/03/2005031005.htm 1057Rule Uruguay 2005 only - Mar 27 2:00 0 - |
1058# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1059Zone America/Montevideo -3:44:44 - LMT 1898 Jun 28 1060 -3:44:44 - MMT 1920 May 1 # Montevideo MT 1061 -3:30 Uruguay UY%sT 1942 Dec 14 # Uruguay Time 1062 -3:00 Uruguay UY%sT 1063 1064# Venezuela 1065# Zone NAME GMTOFF RULES FORMAT [UNTIL] 1066Zone America/Caracas -4:27:44 - LMT 1890 1067 -4:27:40 - CMT 1912 Feb 12 # Caracas Mean Time? 1068 -4:30 - VET 1965 # Venezuela Time 1069 -4:00 - VET |