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+++ This bug was initially created as a clone of Bug #681594 +++
Description of problem:
The government of Chile has announced that they will extend their summertime an additional three weeks.
Summertime was supposed to end on the 12th of March (2011):
On the 24:00 hours of Saturday 12 of March 2011, time goes back one hour, that means, 23:00 hours. (Is left as UTC - 04).
[root@redhat ~]# zdump -v -c 2010,2012 America/Santiago
America/Santiago -9223372036854775808 = NULL
America/Santiago -9223372036854689408 = NULL
America/Santiago Sun Apr 4 02:59:59 2010 UTC = Sat Apr 3 23:59:59 2010 CLST isdst=1 gmtoff=-10800
America/Santiago Sun Apr 4 03:00:00 2010 UTC = Sat Apr 3 23:00:00 2010 CLT isdst=0 gmtoff=-14400
America/Santiago Sun Oct 10 03:59:59 2010 UTC = Sat Oct 9 23:59:59 2010 CLT isdst=0 gmtoff=-14400
America/Santiago Sun Oct 10 04:00:00 2010 UTC = Sun Oct 10 01:00:00 2010 CLST isdst=1 gmtoff=-10800
America/Santiago Sun Mar 13 02:59:59 2011 UTC = Sat Mar 12 23:59:59 2011 CLST isdst=1 gmtoff=-10800
America/Santiago Sun Mar 13 03:00:00 2011 UTC = Sat Mar 12 23:00:00 2011 CLT isdst=0 gmtoff=-14400
America/Santiago Sun Oct 9 03:59:59 2011 UTC = Sat Oct 8 23:59:59 2011 CLT isdst=0 gmtoff=-14400
America/Santiago Sun Oct 9 04:00:00 2011 UTC = Sun Oct 9 01:00:00 2011 CLST isdst=1 gmtoff=-10800
America/Santiago 9223372036854689407 = NULL
America/Santiago 9223372036854775807 = NULL
[root@redhat ~]#
Instead, summertime will now end the 2nd of April.
http://www.diario-expreso.com/ediciones/2011/03/02/mundo/mundo/chile-aplaza-inicio-hora-invierno-por-crisis-energia/
This hasn't been updated on the official website (http://www.horaoficial.cl/cambio.htm), although the announcement was official. We should double-check this.
Steps to Reproduce:
# zdump -v -c 2010,2012 America/Santiago
Actual results:
America/Santiago -9223372036854775808 = NULL
America/Santiago -9223372036854689408 = NULL
America/Santiago Sun Apr 4 02:59:59 2010 UTC = Sat Apr 3 23:59:59 2010 CLST isdst=1 gmtoff=-10800
America/Santiago Sun Apr 4 03:00:00 2010 UTC = Sat Apr 3 23:00:00 2010 CLT isdst=0 gmtoff=-14400
America/Santiago Sun Oct 10 03:59:59 2010 UTC = Sat Oct 9 23:59:59 2010 CLT isdst=0 gmtoff=-14400
America/Santiago Sun Oct 10 04:00:00 2010 UTC = Sun Oct 10 01:00:00 2010 CLST isdst=1 gmtoff=-10800
America/Santiago Sun Mar 13 02:59:59 2011 UTC = Sat Mar 12 23:59:59 2011 CLST isdst=1 gmtoff=-10800
America/Santiago Sun Mar 13 03:00:00 2011 UTC = Sat Mar 12 23:00:00 2011 CLT isdst=0 gmtoff=-14400
America/Santiago Sun Oct 9 03:59:59 2011 UTC = Sat Oct 8 23:59:59 2011 CLT isdst=0 gmtoff=-14400
America/Santiago Sun Oct 9 04:00:00 2011 UTC = Sun Oct 9 01:00:00 2011 CLST isdst=1 gmtoff=-10800
America/Santiago 9223372036854689407 = NULL
America/Santiago 9223372036854775807 = NULL
[root@redhat ~]#
Expected results:
If the announcement is indeed official, the change should take place on Apr 2 instead of Mar 12.
--- Additional comment from cristiansilva on 2011-03-02 21:17:27 CET ---
Created attachment 481936[details]
southamerica tzdata file
modified southamerica tzdata file for the current dst
diff -u southamericaMOD southamerica
--- southamericaMOD 2011-03-02 17:14:12.000000000 -0300
+++ southamerica 2010-11-01 10:18:22.000000000 -0300
@@ -1190,8 +1190,7 @@
Rule Chile 2008 only - Mar 30 3:00u 0 -
Rule Chile 2009 only - Mar Sun>=9 3:00u 0 -
Rule Chile 2010 only - Apr 4 3:00u 0 -
-Rule Chile 2011 only - Apr 3 3:00u 0 -
-Rule Chile 2012 max - Mar Sun>=9 3:00u 0 -
+Rule Chile 2011 max - Mar Sun>=9 3:00u 0 -
# IATA SSIM anomalies: (1992-02) says 1992-03-14;
# (1996-09) says 1998-03-08. Ignore these.
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.
http://rhn.redhat.com/errata/RHEA-2011-0353.html