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Bug #39248 strftime("%z") inconsistant in non-GMT zones.
Submitted: 2006-10-24 18:53 UTC Modified: 2006-10-24 19:07 UTC
From: Lhunath at Pandora dot Be Assigned:
Status: Not a bug Package: Date/time related
PHP Version: 5.1.6 OS: Gentoo Linux 2.6.18
Private report: No CVE-ID: None
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From: Lhunath at Pandora dot Be
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 [2006-10-24 18:53 UTC] Lhunath at Pandora dot Be 
Description:
------------
The time zone used to generate formatted time from a timestamp changes depending on the timestamp itself, unless if the timezone is set to GMT.

Reproduce code:
---------------
date_default_timezone_set("Europe/Brussels");

$time=1162072800;
print(strftime("%c %z", $time))."\n";

$time+=86400;
print(strftime("%c %z", $time))."\n";

Expected result:
----------------
The two lines should reflect a time with 24 hours difference. Both lines should display the time as defined by the selected timezone (Which in the example code is 'Europe/Brussels', which is +0100).

Actual result:
--------------
The two lines reflect a time with 24 hours difference, but they are formatted in different time zones. The first is obviously not in the correct timezone ('Europe/Brussels'), even though the timezone was set correctly.

Sun Oct 29 00:00:00 2006 +0200
Sun Oct 29 23:00:00 2006 +0100

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 [2006-10-24 19:07 UTC] tony2001@php.net 
We are happy to tell you that you just discovered Daylight Savings
Time. For more information see:
http://webexhibits.org/daylightsaving/b.html
Instead of using mktime/date consider using gmmktime and gmdate which do
not suffer from DST.
 
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