August 2011 DST Cumulative Update for Windows operating systems
The August 2011 DST Cumulative Update for Windows operating systems contains the following changes :
NewFoundland:
- Newfoundland’s DST start and end times have been updated to 2AM from 12:01 AM. The rest of the Newfoundland time zone schedule is unchanged.
Russian Time Zones:
- A new time zone has been created for Kaliningrad with displayname “ (UTC+3:00) Kaliningrad”. This time zone does not support Daylight saving time.
- Support for Daylight Saving time has been discontinued and UTC offsets have been updated for time zones listed in the table below:
Time Zone |
Old |
New |
Russian Standard Time |
(UTC +3:00) Moscow, St Petersburg, Volgograd |
(UTC +4:00) Moscow, St Petersburg, Volgograd |
Ekaterinburg Standard Time |
(UTC +5:00) Ekaterinburg |
(UTC +6:00) Ekaterinburg |
N. Central Asia Standard Time |
(UTC +6:00) Novosibirsk |
(UTC +7:00) Novosibirsk |
North Asia Standard Time |
(UTC +7:00) Krasnoyarsk |
(UTC +8:00) Krasnoyarsk |
North Asia East Standard Time |
(UTC +8:00) Irkutsk |
(UTC +9:00) Irkutsk |
Yakutsk Standard Time |
(UTC +9:00) Yakutsk |
(UTC +10:00) Yakutsk |
Vladivostok Standard Time |
(UTC +10:00) Vladivostok |
(UTC +11:00) Vladivostok |
Magadan Standard Time |
(UTC +11:00) Magadan |
(UTC +12:00) Magadan |
In addition to these changes, the August DST update rolls up these previously released hotfixes:
- KB 2543367 : 2011DST changes for Egypt, Chile and Morocco
- KB 2523087 : 2011DST changes for Turkey
- KB 2515337 : 2011DST changes for Fiji and Samoa
For more information on these adjustments, refer to this Microsoft KnowledgeBase article: support.microsoft.com/kb/2570791