proposed time zone package changes
Arthur David Olson
olsona at lecserver.nci.nih.gov
Wed Mar 5 19:49:43 UTC 2008
José Miguel Garrido's electronic mail and work with zdump made me realize that
since...
the Chilean transitions are supposed to happen at the end of
Saturday, March 29 (24:00 in America/Santiago, 22:00 in Pacific/Easter)
the Chilean transitions are specified using Universal time
and it's already March 30 in Univeral time near the end of March 29 in
Chile
...that March 30 is what needs to appear in the file. So, with providence,
the final proposed Chile change (with commentary added).
Look for tzcode2008a.tar.gz and tzdata2008a.tar.gz Saturday morning.
--ado
------- southamerica -------
*** /tmp/geta10295 Wed Mar 5 14:40:25 2008
--- /tmp/getb10295 Wed Mar 5 14:40:25 2008
***************
*** 1,4 ****
! # @(#)southamerica 8.15
# <pre>
# This data is by no means authoritative; if you think you know better,
--- 1,4 ----
! # @(#)southamerica 8.18
# <pre>
# This data is by no means authoritative; if you think you know better,
***************
*** 759,764 ****
--- 759,784 ----
# America/Santiago. The pre-1980 Pacific/Easter data are dubious,
# but we have no other source.
+ # From German Poo-Caaman~o (2008-03-03):
+ # Due to drought, Chile extends Daylight Time in three weeks. This
+ # is one-time change (Saturday 3/29 at 24:00 for America/Santiago
+ # and Saturday 3/29 at 22:00 for Pacific/Easter)
+ # The Supreme Decree is located at
+ # <a href="http://www.shoa.cl/servicios/supremo316.pdf">
+ # http://www.shoa.cl/servicios/supremo316.pdf
+ # </a>
+ # and the instructions for 2008 are located in:
+ # <a href="http://www.horaoficial.cl/cambio.htm">
+ # http://www.horaoficial.cl/cambio.htm
+ # </a>.
+
+ # From José Miguel Garrido (2008-03-05):
+ # ...
+ # You could see the announces of the change on
+ # <a href="http://www.shoa.cl/noticias/2008/04hora/hora.htm">
+ # http://www.shoa.cl/noticias/2008/04hora/hora.htm
+ # </a>.
+
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Chile 1927 1932 - Sep 1 0:00 1:00 S
Rule Chile 1928 1932 - Apr 1 0:00 0 -
***************
*** 789,795 ****
Rule Chile 1998 only - Sep 27 4:00u 1:00 S
Rule Chile 1999 only - Apr 4 3:00u 0 -
Rule Chile 1999 max - Oct Sun>=9 4:00u 1:00 S
! Rule Chile 2000 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]
--- 809,819 ----
Rule Chile 1998 only - Sep 27 4:00u 1:00 S
Rule Chile 1999 only - Apr 4 3:00u 0 -
Rule Chile 1999 max - Oct Sun>=9 4:00u 1:00 S
! Rule Chile 2000 2007 - Mar Sun>=9 3:00u 0 -
! # N.B.: the end of March 29 in Chile is March 30 in Universal time,
! # which is used below in specifying the transition.
! Rule Chile 2008 only - Mar 30 3:00u 0 -
! Rule Chile 2009 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]
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