--- a/make/data/tzdata/southamerica Thu Oct 17 20:27:44 2019 +0100
+++ b/make/data/tzdata/southamerica Thu Oct 17 20:53:35 2019 +0100
@@ -419,7 +419,7 @@
# plus is that this silences a zic complaint that there's no POSIX TZ
# setting for timestamps past 2038.
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
#
# Buenos Aires (BA), Capital Federal (CF),
Zone America/Argentina/Buenos_Aires -3:53:48 - LMT 1894 Oct 31
@@ -600,7 +600,7 @@
Link America/Curacao America/Aruba
# Bolivia
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone America/La_Paz -4:32:36 - LMT 1890
-4:32:36 - CMT 1931 Oct 15 # Calamarca MT
-4:32:36 1:00 BST 1932 Mar 21 # Bolivia ST
@@ -943,14 +943,13 @@
# removed Tocantins.
Rule Brazil 2013 2014 - Feb Sun>=15 0:00 0 -
Rule Brazil 2015 only - Feb Sun>=22 0:00 0 -
-Rule Brazil 2016 2022 - Feb Sun>=15 0:00 0 -
+Rule Brazil 2016 2019 - Feb Sun>=15 0:00 0 -
# From Steffen Thorsen (2017-12-18):
# According to many media sources, next year's DST start in Brazil will move to
-# the first Sunday of November, and it will stay like that for the years after.
+# the first Sunday of November
# ... https://www.timeanddate.com/news/time/brazil-delays-dst-2018.html
# From Steffen Thorsen (2017-12-20):
# http://www.planalto.gov.br/ccivil_03/_ato2015-2018/2017/decreto/D9242.htm
-#
# From Fábio Gomes (2018-10-04):
# The Brazilian president just announced a new change on this year DST.
# It was scheduled to start on November 4th and it was changed to November 18th.
@@ -958,22 +957,21 @@
# The Brazilian government just announced that the change in DST was
# canceled.... Maybe the president Michel Temer also woke up one hour
# earlier today. :)
-Rule Brazil 2018 max - Nov Sun>=1 0:00 1:00 -
-Rule Brazil 2023 only - Feb Sun>=22 0:00 0 -
-Rule Brazil 2024 2025 - Feb Sun>=15 0:00 0 -
-Rule Brazil 2026 only - Feb Sun>=22 0:00 0 -
-Rule Brazil 2027 2033 - Feb Sun>=15 0:00 0 -
-Rule Brazil 2034 only - Feb Sun>=22 0:00 0 -
-Rule Brazil 2035 2036 - Feb Sun>=15 0:00 0 -
-Rule Brazil 2037 only - Feb Sun>=22 0:00 0 -
-# From Arthur David Olson (2008-09-29):
-# The next is wrong in some years but is better than nothing.
-Rule Brazil 2038 max - Feb Sun>=15 0:00 0 -
+Rule Brazil 2018 only - Nov Sun>=1 0:00 1:00 -
+# The last ruleset listed above says that the following states observed DST:
+# DF, ES, GO, MG, MS, MT, PR, RJ, RS, SC, SP.
+#
+# From Steffen Thorsen (2019-04-05):
+# According to multiple sources the Brazilian president wants to get rid of DST.
+# https://gmconline.com.br/noticias/politica/bolsonaro-horario-de-verao-deve-acabar-este-ano
+# https://g1.globo.com/economia/noticia/2019/04/05/governo-anuncia-fim-do-horario-de-verao.ghtml
+# From Marcus Diniz (2019-04-25):
+# Brazil no longer has DST changes - decree signed today
+# https://g1.globo.com/politica/noticia/2019/04/25/bolsonaro-assina-decreto-que-acaba-com-o-horario-de-verao.ghtml
+# From Daniel Soares de Oliveira (2019-04-26):
+# http://www.planalto.gov.br/ccivil_03/_Ato2019-2022/2019/Decreto/D9772.htm
-# The latest ruleset listed above says that the following states observe DST:
-# DF, ES, GO, MG, MS, MT, PR, RJ, RS, SC, SP.
-
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
#
# Fernando de Noronha (administratively part of PE)
Zone America/Noronha -2:09:40 - LMT 1914
@@ -1255,14 +1253,8 @@
# From Juan Correa (2016-12-04):
# Magallanes region ... will keep DST (UTC -3) all year round....
# http://www.soychile.cl/Santiago/Sociedad/2016/12/04/433428/Bachelet-firmo-el-decreto-para-establecer-un-horario-unico-para-la-Region-de-Magallanes.aspx
-#
# From Deborah Goldsmith (2017-01-19):
# http://www.diariooficial.interior.gob.cl/publicaciones/2017/01/17/41660/01/1169626.pdf
-# From Paul Eggert (2017-01-19):
-# The above says the Magallanes change expires 2019-05-11 at 24:00,
-# so in theory, they will revert to -04/-03 after that, which means
-# they will switch from -03 to -04 one hour after Santiago does that day.
-# For now, assume that they will not revert.
# From Juan Correa (2018-08-13):
# As of moments ago, the Ministry of Energy in Chile has announced the new
@@ -1281,6 +1273,13 @@
# https://twitter.com/MinEnergia/status/1029009354001973248
# "We will keep the new time policy unchanged for at least the next 4 years."
# So we extend the new rules on Saturdays at 24:00 mainland time indefinitely.
+# From Juan Correa (2019-02-04):
+# http://www.diariooficial.interior.gob.cl/publicaciones/2018/11/23/42212/01/1498738.pdf
+# From Paul Eggert (2019-09-01):
+# The above says the Magallanes exception expires 2022-04-02 at 24:00,
+# so in theory, they will revert to -04/-03 after that.
+# For now, assume that they will not revert,
+# since they have extended the expiration date once already.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Chile 1927 1931 - Sep 1 0:00 1:00 -
@@ -1321,7 +1320,7 @@
Rule Chile 2019 max - Sep Sun>=2 4:00u 1:00 -
# IATA SSIM anomalies: (1992-02) says 1992-03-14;
# (1996-09) says 1998-03-08. Ignore these.
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone America/Santiago -4:42:46 - LMT 1890
-4:42:46 - SMT 1910 Jan 10 # Santiago Mean Time
-5:00 - -05 1916 Jul 1
@@ -1370,7 +1369,7 @@
# Palmer has followed Chile. Prior to that, before the Falklands War,
# Palmer used to be supplied from Argentina.
#
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Antarctica/Palmer 0 - -00 1965
-4:00 Arg -04/-03 1969 Oct 5
-3:00 Arg -03/-02 1982 May
@@ -1385,7 +1384,7 @@
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule CO 1992 only - May 3 0:00 1:00 -
Rule CO 1993 only - Apr 4 0:00 0 -
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone America/Bogota -4:56:16 - LMT 1884 Mar 13
-4:56:16 - BMT 1914 Nov 23 # Bogotá Mean Time
-5:00 CO -05/-04
@@ -1410,7 +1409,7 @@
# Netherlands as Kingdom Islands. This won't affect their time zones
# though, as far as we know.
#
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone America/Curacao -4:35:47 - LMT 1912 Feb 12 # Willemstad
-4:30 - -0430 1965
-4:00 - AST
@@ -1446,7 +1445,7 @@
Rule Ecuador 1992 only - Nov 28 0:00 1:00 -
Rule Ecuador 1993 only - Feb 5 0:00 0 -
#
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone America/Guayaquil -5:19:20 - LMT 1890
-5:14:00 - QMT 1931 # Quito Mean Time
-5:00 Ecuador -05/-04
@@ -1549,7 +1548,7 @@
Rule Falk 1986 2000 - Apr Sun>=16 0:00 0 -
Rule Falk 2001 2010 - Apr Sun>=15 2:00 0 -
Rule Falk 2001 2010 - Sep Sun>=1 2:00 1:00 -
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Atlantic/Stanley -3:51:24 - LMT 1890
-3:51:24 - SMT 1912 Mar 12 # Stanley Mean Time
-4:00 Falk -04/-03 1983 May
@@ -1558,13 +1557,13 @@
-3:00 - -03
# French Guiana
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone America/Cayenne -3:29:20 - LMT 1911 Jul
-4:00 - -04 1967 Oct
-3:00 - -03
# Guyana
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone America/Guyana -3:52:40 - LMT 1915 Mar # Georgetown
-3:45 - -0345 1975 Jul 31
-3:00 - -03 1991
@@ -1658,7 +1657,7 @@
# http://www.presidencia.gov.py/archivos/documentos/DECRETO1264_ey9r8zai.pdf
Rule Para 2013 max - Mar Sun>=22 0:00 0 -
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone America/Asuncion -3:50:40 - LMT 1890
-3:50:40 - AMT 1931 Oct 10 # Asunción Mean Time
-4:00 - -04 1972 Oct
@@ -1687,13 +1686,13 @@
# IATA is ambiguous for 1993/1995; go with Shanks & Pottenger.
Rule Peru 1994 only - Jan 1 0:00 1:00 -
Rule Peru 1994 only - Apr 1 0:00 0 -
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone America/Lima -5:08:12 - LMT 1890
-5:08:36 - LMT 1908 Jul 28 # Lima Mean Time?
-5:00 Peru -05/-04
# South Georgia
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Atlantic/South_Georgia -2:26:08 - LMT 1890 # Grytviken
-2:00 - -02
@@ -1701,7 +1700,7 @@
# uninhabited; scientific personnel have wintered
# Suriname
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone America/Paramaribo -3:40:40 - LMT 1911
-3:40:52 - PMT 1935 # Paramaribo Mean Time
-3:40:36 - PMT 1945 Oct # The capital moved?
@@ -1709,7 +1708,7 @@
-3:00 - -03
# Trinidad and Tobago
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone America/Port_of_Spain -4:06:04 - LMT 1912 Mar 2
-4:00 - AST
@@ -1980,7 +1979,7 @@
# ... published in the official Gazette [2016-04-18], here:
# http://historico.tsj.gob.ve/gaceta_ext/abril/1842016/E-1842016-4551.pdf
-# Zone NAME GMTOFF RULES FORMAT [UNTIL]
+# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone America/Caracas -4:27:44 - LMT 1890
-4:27:40 - CMT 1912 Feb 12 # Caracas Mean Time?
-4:30 - -0430 1965 Jan 1 0:00