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Does anyone know about an issue with Windows 7, IE9 and time zones and/or DST (Daylight Time Savings)?

I ask, because when we calculate and print the beginning of each month (with javascript) one of our workstations prints the following lines:

2011-10-01 00:00:00 UTC+2
2011-11-01 00:00:00 UTC+2
2011-12-01 00:00:00 UTC+1

but here in Austria, we switch to winter time in october, so on all other workstations it looks like this...

2011-10-01 00:00:00 UTC+2
2011-11-01 00:00:00 UTC+1
2011-12-01 00:00:00 UTC+1

...which is correct.

I already checked many settings of the workstation. Date, Time, Timezone,... everything's configured properly. Any idea?

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There was a DST patch released a week or so ago, do a manual windows update on the PC. –  Moab Sep 12 '11 at 13:29
    
Are you sure there isn't a bug in your code? If the settings on all your workstations are the same, that would be my first guess, debug the javascript. The fact only a single workstation does this ( I doubt you have 1 Windows 7 workstation ) also means there is something different about that workstation. –  Ramhound Sep 12 '11 at 13:39
    
Ughh, Time zones. Yet another strange factor you have to take into when writing an OS. Not disk performance. Not UI design. Not Productivity concerns. But Time Zones. –  surfasb Sep 12 '11 at 16:10

1 Answer 1

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There was a DST patch released in August, do a manual windows update on the PC.

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Thanks, I'll give it a try. –  Ethan Leroy Sep 13 '11 at 10:39
    
by the way, this patch was already installed on the pc –  Ethan Leroy Oct 6 '11 at 13:09

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