southamerica (11d38a5764295585a2472d5e861fa8abe1a11eb2) southamerica (8fdf57218fc7e86c15afd01635d99681b2e90e3b)
1# This file is in the public domain, so clarified as of
2# 2009-05-17 by Arthur David Olson.
3
4# This file is by no means authoritative; if you think you know better,
5# go ahead and edit the file (and please send any changes to
6# tz@iana.org for general use in the future). For more, please see
7# the file CONTRIBUTING in the tz distribution.
8

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405
406# From Mariano Absatz (2010-04-12):
407# yes...I can confirm this...and given that San Luis keeps calling
408# UTC-03:00 "summer time", we should't just let San Luis go back to "Arg"
409# rules...San Luis is still using "Western ARgentina Time" and it got
410# stuck on Summer daylight savings time even though the summer is over.
411
412# From Paul Eggert (2013-09-05):
1# This file is in the public domain, so clarified as of
2# 2009-05-17 by Arthur David Olson.
3
4# This file is by no means authoritative; if you think you know better,
5# go ahead and edit the file (and please send any changes to
6# tz@iana.org for general use in the future). For more, please see
7# the file CONTRIBUTING in the tz distribution.
8

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405
406# From Mariano Absatz (2010-04-12):
407# yes...I can confirm this...and given that San Luis keeps calling
408# UTC-03:00 "summer time", we should't just let San Luis go back to "Arg"
409# rules...San Luis is still using "Western ARgentina Time" and it got
410# stuck on Summer daylight savings time even though the summer is over.
411
412# From Paul Eggert (2013-09-05):
413# Perhaps San Luis operates on the legal fiction that it is at UTC-4
413# Perhaps San Luis operates on the legal fiction that it is at -04
414# with perpetual summer time, but ordinary usage typically seems to
414# with perpetual summer time, but ordinary usage typically seems to
415# just say it's at UTC-3; see, for example,
415# just say it's at -03; see, for example,
416# http://es.wikipedia.org/wiki/Hora_oficial_argentina
417# We've documented similar situations as being plain changes to
418# standard time, so let's do that here too. This does not change UTC
419# offsets, only tm_isdst and the time zone abbreviations. One minor
420# plus is that this silences a zic complaint that there's no POSIX TZ
421# setting for time stamps past 2038.
422
423# From Paul Eggert (2013-02-21):

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1216# From Eduardo Romero Urra (2015-03-03):
1217# Today has been published officially that Chile will use the DST time
1218# permanently until March 25 of 2017
1219# http://www.diariooficial.interior.gob.cl/media/2015/03/03/1-large.jpg
1220#
1221# From Paul Eggert (2015-03-03):
1222# For now, assume that the extension will persist indefinitely.
1223
416# http://es.wikipedia.org/wiki/Hora_oficial_argentina
417# We've documented similar situations as being plain changes to
418# standard time, so let's do that here too. This does not change UTC
419# offsets, only tm_isdst and the time zone abbreviations. One minor
420# plus is that this silences a zic complaint that there's no POSIX TZ
421# setting for time stamps past 2038.
422
423# From Paul Eggert (2013-02-21):

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1216# From Eduardo Romero Urra (2015-03-03):
1217# Today has been published officially that Chile will use the DST time
1218# permanently until March 25 of 2017
1219# http://www.diariooficial.interior.gob.cl/media/2015/03/03/1-large.jpg
1220#
1221# From Paul Eggert (2015-03-03):
1222# For now, assume that the extension will persist indefinitely.
1223
1224# From Juan Correa (2016-03-18):
1225# The decree regarding DST has been published in today's Official Gazette:
1226# http://www.diariooficial.interior.gob.cl/versiones-anteriores/do/20160318/
1227# http://www.leychile.cl/Navegar?idNorma=1088502
1228# It does consider the second Saturday of May and August as the dates
1229# for the transition; and it lists DST dates until 2019, but I think
1230# this scheme will stick.
1231#
1232# From Paul Eggert (2016-03-18):
1233# For now, assume the pattern holds for the indefinite future.
1234# The decree says transitions occur at 24:00; in practice this appears
1235# to mean 24:00 mainland time, not 24:00 local time, so that Easter
1236# Island is always two hours behind the mainland.
1237
1224# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1225Rule Chile 1927 1931 - Sep 1 0:00 1:00 S
1226Rule Chile 1928 1932 - Apr 1 0:00 0 -
1227Rule Chile 1968 only - Nov 3 4:00u 1:00 S
1228Rule Chile 1969 only - Mar 30 3:00u 0 -
1229Rule Chile 1969 only - Nov 23 4:00u 1:00 S
1230Rule Chile 1970 only - Mar 29 3:00u 0 -
1231Rule Chile 1971 only - Mar 14 3:00u 0 -

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1247Rule Chile 2000 2007 - Mar Sun>=9 3:00u 0 -
1248# N.B.: the end of March 29 in Chile is March 30 in Universal time,
1249# which is used below in specifying the transition.
1250Rule Chile 2008 only - Mar 30 3:00u 0 -
1251Rule Chile 2009 only - Mar Sun>=9 3:00u 0 -
1252Rule Chile 2010 only - Apr Sun>=1 3:00u 0 -
1253Rule Chile 2011 only - May Sun>=2 3:00u 0 -
1254Rule Chile 2011 only - Aug Sun>=16 4:00u 1:00 S
1238# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1239Rule Chile 1927 1931 - Sep 1 0:00 1:00 S
1240Rule Chile 1928 1932 - Apr 1 0:00 0 -
1241Rule Chile 1968 only - Nov 3 4:00u 1:00 S
1242Rule Chile 1969 only - Mar 30 3:00u 0 -
1243Rule Chile 1969 only - Nov 23 4:00u 1:00 S
1244Rule Chile 1970 only - Mar 29 3:00u 0 -
1245Rule Chile 1971 only - Mar 14 3:00u 0 -

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1261Rule Chile 2000 2007 - Mar Sun>=9 3:00u 0 -
1262# N.B.: the end of March 29 in Chile is March 30 in Universal time,
1263# which is used below in specifying the transition.
1264Rule Chile 2008 only - Mar 30 3:00u 0 -
1265Rule Chile 2009 only - Mar Sun>=9 3:00u 0 -
1266Rule Chile 2010 only - Apr Sun>=1 3:00u 0 -
1267Rule Chile 2011 only - May Sun>=2 3:00u 0 -
1268Rule Chile 2011 only - Aug Sun>=16 4:00u 1:00 S
1255Rule Chile 2012 2015 - Apr Sun>=23 3:00u 0 -
1269Rule Chile 2012 2014 - Apr Sun>=23 3:00u 0 -
1256Rule Chile 2012 2014 - Sep Sun>=2 4:00u 1:00 S
1270Rule Chile 2012 2014 - Sep Sun>=2 4:00u 1:00 S
1271Rule Chile 2016 max - May Sun>=9 3:00u 0 -
1272Rule Chile 2016 max - Aug Sun>=9 4:00u 1:00 S
1257# IATA SSIM anomalies: (1992-02) says 1992-03-14;
1258# (1996-09) says 1998-03-08. Ignore these.
1259# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1260Zone America/Santiago -4:42:46 - LMT 1890
1261 -4:42:46 - SMT 1910 Jan 10 # Santiago Mean Time
1262 -5:00 - CLT 1916 Jul 1 # Chile Time
1263 -4:42:46 - SMT 1918 Sep 10
1264 -4:00 - CLT 1919 Jul 1
1265 -4:42:46 - SMT 1927 Sep 1
1266 -5:00 Chile CL%sT 1932 Sep 1
1267 -4:00 - CLT 1942 Jun 1
1268 -5:00 - CLT 1942 Aug 1
1269 -4:00 - CLT 1946 Jul 15
1270 -4:00 1:00 CLST 1946 Sep 1 # central Chile
1271 -4:00 - CLT 1947 Apr 1
1272 -5:00 - CLT 1947 May 21 23:00
1273# IATA SSIM anomalies: (1992-02) says 1992-03-14;
1274# (1996-09) says 1998-03-08. Ignore these.
1275# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1276Zone America/Santiago -4:42:46 - LMT 1890
1277 -4:42:46 - SMT 1910 Jan 10 # Santiago Mean Time
1278 -5:00 - CLT 1916 Jul 1 # Chile Time
1279 -4:42:46 - SMT 1918 Sep 10
1280 -4:00 - CLT 1919 Jul 1
1281 -4:42:46 - SMT 1927 Sep 1
1282 -5:00 Chile CL%sT 1932 Sep 1
1283 -4:00 - CLT 1942 Jun 1
1284 -5:00 - CLT 1942 Aug 1
1285 -4:00 - CLT 1946 Jul 15
1286 -4:00 1:00 CLST 1946 Sep 1 # central Chile
1287 -4:00 - CLT 1947 Apr 1
1288 -5:00 - CLT 1947 May 21 23:00
1273 -4:00 Chile CL%sT 2015 Apr 26 3:00u
1274 -3:00 - CLT
1289 -4:00 Chile CL%sT
1275Zone Pacific/Easter -7:17:28 - LMT 1890
1276 -7:17:28 - EMT 1932 Sep # Easter Mean Time
1277 -7:00 Chile EAS%sT 1982 Mar 14 3:00u # Easter Time
1290Zone Pacific/Easter -7:17:28 - LMT 1890
1291 -7:17:28 - EMT 1932 Sep # Easter Mean Time
1292 -7:00 Chile EAS%sT 1982 Mar 14 3:00u # Easter Time
1278 -6:00 Chile EAS%sT 2015 Apr 26 3:00u
1279 -5:00 - EAST
1293 -6:00 Chile EAS%sT
1280#
1281# Salas y Gómez Island is uninhabited.
1282# Other Chilean locations, including Juan Fernández Is, Desventuradas Is,
1283# and Antarctic bases, are like America/Santiago.
1284
1285# Antarctic base using South American rules
1286# (See the file 'antarctica' for more.)
1287#
1288# Palmer, Anvers Island, since 1965 (moved 2 miles in 1968)
1289#
1290# From Ethan Dicks (1996-10-06):
1291# It keeps the same time as Punta Arenas, Chile, because, just like us
1292# and the South Pole, that's the other end of their supply line....
1293# I verified with someone who was there that since 1980,
1294# Palmer has followed Chile. Prior to that, before the Falklands War,
1295# Palmer used to be supplied from Argentina.
1296#
1297# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1294#
1295# Salas y Gómez Island is uninhabited.
1296# Other Chilean locations, including Juan Fernández Is, Desventuradas Is,
1297# and Antarctic bases, are like America/Santiago.
1298
1299# Antarctic base using South American rules
1300# (See the file 'antarctica' for more.)
1301#
1302# Palmer, Anvers Island, since 1965 (moved 2 miles in 1968)
1303#
1304# From Ethan Dicks (1996-10-06):
1305# It keeps the same time as Punta Arenas, Chile, because, just like us
1306# and the South Pole, that's the other end of their supply line....
1307# I verified with someone who was there that since 1980,
1308# Palmer has followed Chile. Prior to that, before the Falklands War,
1309# Palmer used to be supplied from Argentina.
1310#
1311# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1298Zone Antarctica/Palmer 0 - zzz 1965
1312Zone Antarctica/Palmer 0 - -00 1965
1299 -4:00 Arg AR%sT 1969 Oct 5
1300 -3:00 Arg AR%sT 1982 May
1313 -4:00 Arg AR%sT 1969 Oct 5
1314 -3:00 Arg AR%sT 1982 May
1301 -4:00 Chile CL%sT 2015 Apr 26 3:00u
1302 -3:00 - CLT
1315 -4:00 Chile CL%sT
1303
1304# Colombia
1305
1306# Milne gives 4:56:16.4 for Bogotá time in 1899; round to nearest. He writes,
1307# "A variation of fifteen minutes in the public clocks of Bogota is not rare."
1308
1309# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1310Rule CO 1992 only - May 3 0:00 1:00 S

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1737# From John Stainforth (2007-11-28):
1738# ... the change for Venezuela originally expected for 2007-12-31 has
1739# been brought forward to 2007-12-09. The official announcement was
1740# published today in the "Gaceta Oficial de la República Bolivariana
1741# de Venezuela, número 38.819" (official document for all laws or
1742# resolution publication)
1743# http://www.globovision.com/news.php?nid=72208
1744
1316
1317# Colombia
1318
1319# Milne gives 4:56:16.4 for Bogotá time in 1899; round to nearest. He writes,
1320# "A variation of fifteen minutes in the public clocks of Bogota is not rare."
1321
1322# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
1323Rule CO 1992 only - May 3 0:00 1:00 S

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1750# From John Stainforth (2007-11-28):
1751# ... the change for Venezuela originally expected for 2007-12-31 has
1752# been brought forward to 2007-12-09. The official announcement was
1753# published today in the "Gaceta Oficial de la República Bolivariana
1754# de Venezuela, número 38.819" (official document for all laws or
1755# resolution publication)
1756# http://www.globovision.com/news.php?nid=72208
1757
1758# From Alexander Krivenyshev (2016-04-15):
1759# https://actualidad.rt.com/actualidad/204758-venezuela-modificar-huso-horario-sequia-elnino
1760#
1761# From Paul Eggert (2016-04-15):
1762# Clocks advance 30 minutes on 2016-05-01 at 02:30....
1763# "'Venezuela's new time-zone: hours without light, hours without water,
1764# hours of presidential broadcasts, hours of lines,' quipped comedian
1765# Jean Mary Curró ...". See: Cawthorne A, Kai D. Venezuela scraps
1766# half-hour time difference set by Chavez. Reuters 2016-04-15 14:50 -0400
1767# http://www.reuters.com/article/us-venezuela-timezone-idUSKCN0XC2BE
1768#
1769# From Matt Johnson (2016-04-20):
1770# ... published in the official Gazette [2016-04-18], here:
1771# http://historico.tsj.gob.ve/gaceta_ext/abril/1842016/E-1842016-4551.pdf
1772
1745# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1746Zone America/Caracas -4:27:44 - LMT 1890
1747 -4:27:40 - CMT 1912 Feb 12 # Caracas Mean Time?
1748 -4:30 - VET 1965 Jan 1 0:00 # Venezuela T.
1749 -4:00 - VET 2007 Dec 9 3:00
1773# Zone NAME GMTOFF RULES FORMAT [UNTIL]
1774Zone America/Caracas -4:27:44 - LMT 1890
1775 -4:27:40 - CMT 1912 Feb 12 # Caracas Mean Time?
1776 -4:30 - VET 1965 Jan 1 0:00 # Venezuela T.
1777 -4:00 - VET 2007 Dec 9 3:00
1750 -4:30 - VET
1778 -4:30 - VET 2016 May 1 2:30
1779 -4:00 - VET