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5722 Update timezone info db to 2015a
        
@@ -4,27 +4,27 @@
 # This file is by no means authoritative; if you think you know better,
 # go ahead and edit the file (and please send any changes to
 # tz@iana.org for general use in the future).  For more, please see
 # the file CONTRIBUTING in the tz distribution.
 
-# From Paul Eggert (2006-03-22):
-# A good source for time zone historical data outside the U.S. is
+# From Paul Eggert (2014-10-31):
+#
+# Unless otherwise specified, the source for data through 1990 is:
 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
 # San Diego: ACS Publications, Inc. (2003).
+# Unfortunately this book contains many errors and cites no sources.
 #
-# For data circa 1899, a common source is:
-# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94.
-# http://www.jstor.org/stable/1774359
-#
 # Gwillim Law writes that a good source
 # for recent time zone data is the International Air Transport
 # Association's Standard Schedules Information Manual (IATA SSIM),
 # published semiannually.  Law sent in several helpful summaries
-# of the IATA's data after 1990.
+# of the IATA's data after 1990.  Except where otherwise noted,
+# IATA SSIM is the source for entries after 1990.
 #
-# Except where otherwise noted, Shanks & Pottenger is the source for
-# entries through 1990, and IATA SSIM is the source for entries afterwards.
+# For data circa 1899, a common source is:
+# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94.
+# http://www.jstor.org/stable/1774359
 #
 # Earlier editions of these tables used the North American style (e.g. ARST and
 # ARDT for Argentine Standard and Daylight Time), but the following quote
 # suggests that it's better to use European style (e.g. ART and ARST).
 #       I suggest the use of _Summer time_ instead of the more cumbersome
@@ -1204,10 +1204,15 @@
 # dates to 2014.
 # DST End: last Saturday of April 2014 (Sun 27 Apr 2014 03:00 UTC)
 # DST Start: first Saturday of September 2014 (Sun 07 Sep 2014 04:00 UTC)
 # http://www.diariooficial.interior.gob.cl//media/2014/02/19/do-20140219.pdf
 
+# From Juan Correa (2015-01-28):
+# ... today the Ministry of Energy announced that Chile will drop DST, will keep
+# "summer time" (UTC -3 / UTC -5) all year round....
+# http://www.minenergia.cl/ministerio/noticias/generales/ministerio-de-energia-anuncia.html
+
 # NOTE: ChileAQ rules for Antarctic bases are stored separately in the
 # 'antarctica' file.
 
 # Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
 Rule    Chile   1927    1932    -       Sep      1      0:00    1:00    S
@@ -1245,12 +1250,12 @@
 Rule    Chile   2008    only    -       Mar     30      3:00u   0       -
 Rule    Chile   2009    only    -       Mar     Sun>=9  3:00u   0       -
 Rule    Chile   2010    only    -       Apr     Sun>=1  3:00u   0       -
 Rule    Chile   2011    only    -       May     Sun>=2  3:00u   0       -
 Rule    Chile   2011    only    -       Aug     Sun>=16 4:00u   1:00    S
-Rule    Chile   2012    max     -       Apr     Sun>=23 3:00u   0       -
-Rule    Chile   2012    max     -       Sep     Sun>=2  4:00u   1:00    S
+Rule    Chile   2012    2015    -       Apr     Sun>=23 3:00u   0       -
+Rule    Chile   2012    2014    -       Sep     Sun>=2  4:00u   1:00    S
 # IATA SSIM anomalies: (1992-02) says 1992-03-14;
 # (1996-09) says 1998-03-08.  Ignore these.
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone America/Santiago   -4:42:46 -      LMT     1890
                         -4:42:46 -      SMT     1910        # Santiago Mean Time
@@ -1257,15 +1262,17 @@
                         -5:00   -       CLT     1916 Jul  1 # Chile Time
                         -4:42:46 -      SMT     1918 Sep  1 # Santiago Mean Time
                         -4:00   -       CLT     1919 Jul  1 # Chile Time
                         -4:42:46 -      SMT     1927 Sep  1 # Santiago Mean Time
                         -5:00   Chile   CL%sT   1947 May 22 # Chile Time
-                        -4:00   Chile   CL%sT
+                        -4:00   Chile   CL%sT   2015 Apr 26  3:00u
+                        -3:00   -       CLT
 Zone Pacific/Easter     -7:17:44 -      LMT     1890
                         -7:17:28 -      EMT     1932 Sep    # Easter Mean Time
-                        -7:00   Chile   EAS%sT  1982 Mar 13 21:00 # Easter Time
-                        -6:00   Chile   EAS%sT
+                        -7:00   Chile   EAS%sT  1982 Mar 13 3:00u # Easter Time
+                        -6:00   Chile   EAS%sT  2015 Apr 26 3:00u
+                        -5:00   -       EAST
 #
 # Salas y Gómez Island is uninhabited.
 # Other Chilean locations, including Juan Fernández Is, Desventuradas Is,
 # and Antarctic bases, are like America/Santiago.