--- a/make/data/tzdata/southamerica Thu Nov 01 09:41:04 2018 -0700
+++ b/make/data/tzdata/southamerica Thu Nov 01 12:43:21 2018 -0400
@@ -21,6 +21,8 @@
# or visit www.oracle.com if you need additional information or have any
# questions.
#
+# tzdb data for South America and environs
+
# This file is in the public domain, so clarified as of
# 2009-05-17 by Arthur David Olson.
@@ -415,7 +417,7 @@
# standard time, so let's do that here too. This does not change UTC
# offsets, only tm_isdst and the time zone abbreviations. One minor
# plus is that this silences a zic complaint that there's no POSIX TZ
-# setting for time stamps past 2038.
+# setting for timestamps past 2038.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
#
@@ -948,6 +950,14 @@
# ... 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.
+# From Rodrigo Brüning Wessler (2018-10-15):
+# 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 -
@@ -1254,6 +1264,24 @@
# 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
+# schema for DST. ... Announcement in video (in Spanish):
+# https://twitter.com/MinEnergia/status/1029000399129374720
+# From Yonathan Dossow (2018-08-13):
+# The video says "first Saturday of September", we all know it means Sunday at
+# midnight.
+# From Tim Parenti (2018-08-13):
+# Translating the captions on the video at 0:44-0:55, "We want to announce as
+# Government that from 2019, Winter Time will be increased to 5 months, between
+# the first Saturday of April and the first Saturday of September."
+# At 2:08-2:20, "The Magallanes region will maintain its current time, as
+# decided by the citizens during 2017, but our Government will promote a
+# regional dialogue table to gather their opinion on this matter."
+# 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.
+
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Chile 1927 1931 - Sep 1 0:00 1:00 -
Rule Chile 1928 1932 - Apr 1 0:00 0 -
@@ -1287,8 +1315,10 @@
Rule Chile 2011 only - Aug Sun>=16 4:00u 1:00 -
Rule Chile 2012 2014 - Apr Sun>=23 3:00u 0 -
Rule Chile 2012 2014 - Sep Sun>=2 4:00u 1:00 -
-Rule Chile 2016 max - May Sun>=9 3:00u 0 -
-Rule Chile 2016 max - Aug Sun>=9 4:00u 1:00 -
+Rule Chile 2016 2018 - May Sun>=9 3:00u 0 -
+Rule Chile 2016 2018 - Aug Sun>=9 4:00u 1:00 -
+Rule Chile 2019 max - Apr Sun>=2 3:00u 0 -
+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]