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DST problem in Brazil


georgewr3

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I'm trying to get DST for East Brazil working correctly with SuSe 10.2, PHP 5.2 and PostGreSQL 8.1.5. Apparently a change was made very recently in Brazil to move the beginning of DST there from 10/20-10/21 to 10/13-10/14. (They switch right at midnight to 1am in the fall, and 11pm in the spring - opposite of the U.S.)

 

I have updated the timezone files via the zic command and placed the files at /usr/share/zoneinfo and /usr/share/postgresql/timezone. When I run a PostGreSQL shell and execute selects, the DST does occur at 10/13-10/14. Before I updated the timezone files, the queries showed the DST change at 10/20-10/21 which was correct up until the recent change in Brazilian DST. I got the newest timezone files from ftp://elsie.nci.nih.gov/pub/tzdata2007h.tar.gz which has the lastest Brazilian change. I updated the timezone files and got the following after the update:

 

Output of the zdump command shows:

# /usr/sbin/zdump -v -c 2008 Brazil/East | grep -w 2007

Brazil/East  Sun Feb 25 01:59:59 2007 UTC = Sat Feb 24 23:59:59 2007 BRST isdst=1 gmtoff=-7200

Brazil/East  Sun Feb 25 02:00:00 2007 UTC = Sat Feb 24 23:00:00 2007 BRT isdst=0 gmtoff=-10800

Brazil/East  Sun Oct 14 02:59:59 2007 UTC = Sat Oct 13 23:59:59 2007 BRT isdst=0 gmtoff=-10800

Brazil/East  Sun Oct 14 03:00:00 2007 UTC = Sun Oct 14 01:00:00 2007 BRST isdst=1 gmtoff=-7200

 

As shown in the last two lines, the DST timezone is correct.

 

However when using PHP's date function (which defers to O/S as I understand it) it shows the DST change at Nov. 4th rather than 10/14. I have YAST set to Brazil East.

 

(ex:  $when_start = date("Y-m-d H:i:s O", $date); //where $date == '2007-11-04'  )

 

It returns  2007-11-04 01:00:00 -0200  in $when_start which clearly shows the wrong hour and wrong time zone value (should be 2007-11-04 00:00:00 -0300  )

 

Is there a PHP patch or newer version that I need to get?

 

Thanks for any help.

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