[bug #33455] Time zone issue on Linux systems running in the UK

[Wolfgang Lux]

URL:
  <http://savannah.gnu.org/bugs/?33455>

                 Summary: Time zone issue on Linux systems running in the UK
                 Project: GNUstep
            Submitted by: wlux
            Submitted on: Mi 01 Jun 2011 13:01:49 GMT
                Category: Base/Foundation
                Severity: 3 - Normal
              Item Group: Bug
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

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Details:

On a CentOS or Debian system configured to use Europe/London as its time zone,
NSTimeZone does not recognize when daylight saving time is in effect. E.g.,
the current time (using [NSCalendarTime date]) is reported as "2011-06-01
12:37:41 +0000", but should be reported as "2011-06-01 13:37:41 +0100". The
problem likely is that the time zone reported by [NSTimeZone systemTimeZone]
is "GMT+0000", for which [[NSTimeZone systemTime] isDaylightSavingTime]
returns NO.

This problem doesn't appear for other countries, e.g., for Europe/Lisbon I get
"2011-06-01 13:41:56 +0100". I also do not see the problem when running
GNUstep base under OS X.

 




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