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DateTime::TimeZone::Local::Win32.3pm
Langue: en
Version: 2010-06-15 (fedora - 01/12/10)
Section: 3 (Bibliothèques de fonctions)
NAME
DateTime::TimeZone::Local::Win32 - Determine the local system's time zone on WindowsSYNOPSIS
my $tz = DateTime::TimeZone->new( name => 'local' ); my $tz = DateTime::TimeZone::Local->TimeZone();
DESCRIPTION
This module provides methods for determining the local time zone on a Windows platform.HOW THE TIME ZONE IS DETERMINED
This class tries the following methods of determining the local time zone:- *
- $ENV{TZ}
It checks $ENV{TZ} for a valid time zone name.
- *
- Windows Registry
When using the registry, we look for the Windows time zone and use a mapping to translate this to an Olson time zone name.
-
- *
- Windows Vista and 2008
We look in ``SYSTEM/CurrentControlSet/Control/TimeZoneInformation/'' for a node named ``/TimeZoneKeyName''. If this exists, we use this key to look up the Olson time zone name in our mapping.
- *
- Windows NT, Windows 2000, Windows XP, Windows 2003 Server
We look in ``SOFTWARE/Microsoft/Windows NT/CurrentVersion/Time Zones/'' and loop through all of its sub keys.
For each sub key, we compare the value of the key with ``/Std'' appended to the end to the value of ``SYSTEM/CurrentControlSet/Control/TimeZoneInformation/StandardName''. This gives us the English name of the Windows time zone, which we use to look up the Olson time zone name.
- *
- Windows 95, Windows 98, Windows Millenium Edition
The algorithm is the same as for NT, but we loop through the sub keys of ``SOFTWARE/Microsoft/Windows/CurrentVersion/Time Zones/''
-
AUTHOR
Dave Rolsky, <autarch@urth.org>COPYRIGHT & LICENSE
Copyright (c) 2003-2008 David Rolsky. All rights reserved. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.The full text of the license can be found in the LICENSE file included with this module.
Contenus ©2006-2024 Benjamin Poulain
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