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August 2009 cumulative time zone update for Microsoft Windows operating systems

Support for Windows XP has ended

Microsoft ended support for Windows XP on April 8, 2014. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

Support for Windows Server 2003 ended on July 14, 2015

Microsoft ended support for Windows Server 2003 on July 14, 2015. This change has affected your software updates and security options. Learn what this means for you and how to stay protected.

Important Important This update supersedes and replaces update 955839, which was released in November 2008. This update also includes additional time zone changes that were signed in to law after update 955839 was created.

If you have already deployed update 955839, read the descriptions of the specific time zone changes that are addressed in this article to determine whether you must deploy this update immediately. If systems are not directly affected, you can schedule deployment at the next available opportunity.

We recommend that you deploy the most current Windows cumulative time zone update to guarantee the consistency of the time zone database on all systems.

Important Before you apply the update that is described in this article, be aware of potential issues that may affect Microsoft Outlook.

For more information about these issues, click the following article number to view the article in the Microsoft Knowledge Base:
931667 How to address the daylight saving time changes in 2007 by using the Time Zone Data Update Tool for Microsoft Office Outlook
Important
  • If you are running Microsoft Exchange Server in an Information Technology (IT) environment, you must take additional measures to guarantee the correct operation of Exchange Server. For more information about the Exchange daylight saving time (DST) update, click the following article number to view the article in the Microsoft Knowledge Base:
    941018 How to address daylight saving time by using the Exchange Calendar Update Tool
  • Cumulative time zone updates contain only data that has changed for a specific region or that was added to maintain parity with other operating system versions. Therefore, if a time zone key has been deleted, some original values may not be restored after you apply the cumulative zone update.

    We do not recommend that you delete any registry keys that are related to time zones. On a computer that has incomplete time zone keys, first restore the time zone keys from a known good backup. Then, apply the update.
INTRODUCTION
The update that this article describes changes the time zone data to accommodate daylight saving time (DST) changes in several countries, as outlined in this article. This update also includes other DST-related changes, time zone-related changes, and settings-related changes. Some of these changes have occurred since the products that are listed in the "Applies to" section were originally released.

The update that this article describes is a cumulative update rollup that includes all the changes that were previously released in Microsoft Knowledge Base (KB) articles 928388, 929120, 933360, 942763, 951072 and 955839.

For more information about how DST changes may affect other Microsoft products, visit the following Microsoft Web site: For more information about how daylight saving time changes may affect other Microsoft products, click the following article number to view the article in the Microsoft Knowledge Base:
914387 How to configure daylight saving time for Microsoft Windows operating systems
Note When you apply this update, you may receive the following message:
Update cannot be installed as a newer or same time zone update has already been installed on the system.
This message indicates that you have already applied the correct update or that Windows Updates or Microsoft Update has automatically installed this update. No additional action is required to update the Windows operating system software.
MORE INFORMATION
The following files are available for download from the Microsoft Download Center:

DownloadDownload the Update for Windows Server 2003 (KB970653) package now.

DownloadDownload the Update for Windows Server 2003 for Itanium-based Systems (KB970653) package now.

DownloadDownload the Update for Windows Server 2003 x64 Edition (KB970653) package now.

DownloadDownload the Update for Windows Server 2008 (KB970653) package now.

DownloadDownload the Update for Windows Server 2008 for Itanium-based Systems (KB970653) package now.

DownloadDownload the Update for Windows Server 2008 x64 Edition (KB970653) package now.

DownloadDownload the Update for Windows Vista (KB970653) package now.

DownloadDownload the Update for Windows Vista for x64-based Systems (KB970653) package now.

DownloadDownload the Update for Windows XP (KB970653) package now.

DownloadDownload the Update for Windows XP x64 Edition (KB970653) package now.

Release Date: 21 July 2009

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Updates from the previous cumulative Windows time zone update

The following changes were made since the previous Windows cumulative time zone update. This update was described in Microsoft Knowledge Base article 955839:
  • W. Australia Standard Time:

    Fixes dynamic DST table for the W. Australia time zone.
  • SA Pacific Standard Time:

    Removes "Rio Branco" from the display name of this time zone.
  • SA Western Time:

    Changes the display name of this time zone from (GMT-04:00) La Paz to (GMT-04:00) Georgetown, La Paz, San Juan.
  • SA Eastern Standard Time:

    Changes the display name of this time zone from (GMT-03:00) Georgetown to (GMT-03:00) Cayenne.
  • Greenland Standard Time

    Adjusts the dynamic DST table for the Greenland time zone.
  • Morocco Standard Time:

    Adjusts the DST start and end dates for the Morocco time zone for changes after the prior cumulative time zone update was created (December 2008).
  • Pakistan Standard Time:

    Adjusts the DST start and end dates for the Pakistan time zone for changes after the prior cumulative time zone update was created (December 2008).
  • Paraguay Standard Time:

    Introduces the new Paraguay Time Zone with DST start dates and end dates after the prior cumulative time zone update was created (December 2008).
  • Fiji Standard Time:

    Removes Kamchatka from the display name of this time zone.
  • Kamchatka Standard Time:

    Introduces the new Kamchatka Time Zone with DST start dates and end dates after the prior cumulative time zone update was created (December 2008).
  • Coordinated Universal Time:

    Introduces the new UTC Time Zone without DST after the prior cumulative time zone update was created (December 2008).
  • Montevideo Standard Time:

    Fixes the dynamic DST table for Montevideo time zone for Windows XP.

Registry subkey nameDisplay nameDaylight nameStandard nameDST startDST endValue of TZI subkey
W. Australia Standard Time(GMT+08:00) PerthW. Australia Daylight TimeW. Australia Standard TimeLast Sunday of October at 02:00:00.000Last Sunday of March at 03:00:00.000TZI=hex:20,fe,ff,ff,00,00,00,00,c4,ff,ff,ff,00,00,03,00,00,00,05,00,03,00,00,00,00,00,00,00,00,00,0a,00,00,00,05,00,02,00,00,00,00,00,00,00
SA Pacific Standard Time(GMT-05:00) Bogota, Lima, QuitoSA Pacific Daylight TimeSA Pacific Standard TimeNo DSTNo DSTTZI=hex:2c,01,00,00,00,00,00,00,c4,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00
SA Western Standard Time(GMT-04:00) Georgetown, La Paz, San JuanSA Western Daylight TimeSA Western Standard TimeNo DSTNo DSTTZI=hex:f0,00,00,00,00,00,00,00,c4,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00
SA Eastern Standard Time(GMT-03:00) CayenneSA Eastern Daylight TimeSA Eastern Standard TimeNo DSTNo DSTTZI=hex:b4,00,00,00,00,00,00,00,c4,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00
Greenland Standard Time(GMT-03:00) GreenlandGreenland Daylight TimeGreenland Standard TimeLast Saturday of March at 22:00:00.0004th Saturday of October at 23:00:00.000"TZI=hex:b4,00,00,00,00,00,00,00,c4,ff,ff,ff,00,00,0a,00,06,00,04,00,17,00,00,00,00,00,00,00,00,00,03,00,06,00,05,00,16,00,00,00,00,00,00,00
Morocco Standard Time(GMT) CasablancaMorocco Daylight TimeMorocco Standard TimeLast Sunday of May at 23:59:59.9993rd Thursday of August at 23:59:59.999TZI=hex:00,00,00,00,00,00,00,00,c4,ff,ff,ff,00,00,08,00,04,00,03,00,17,00,3b,00,3b,00,e7,03,00,00,05,00,00,00,05,00,17,00,3b,00,3b,00,e7,03
Pakistan Standard Time(GMT+05:00) Islamabad, KarachiPakistan Daylight TimePakistan Standard Time2nd Tuesday of April at 23:59:59.999Last Saturday of October at 23:59:59.999TZI=hex:d4,fe,ff,ff,00,00,00,00,c4,ff,ff,ff,00,00,0a,00,06,00,05,00,17,00,3b,00,3b,00,e7,03,00,00,04,00,02,00,02,00,17,00,3b,00,3b,00,e7,03
Paraguay Standard Time(GMT-04:00) AsuncionParaguay Daylight TimeParaguay Standard Time3rd Saturday of October at 23:59:59.9991st Saturday of March at 23:59:59.999TZI=hex:f0,00,00,00,00,00,00,00,c4,ff,ff,ff,00,00,03,00,06,00,01,00,17,00,3b,00,3b,00,e7,03,00,00,0a,00,06,00,03,00,17,00,3b,00,3b,00,e7,03
Kamchatka Standard Time(GMT+12:00) Petropavlovsk-KamchatskyKamchatka Daylight TimeKamchatka Standard TimeLast Sunday of March at 02:00:00.000Last Sunday of October at 03:00:00.000TZI=hex:30,fd,ff,ff,00,00,00,00,c4,ff,ff,ff,00,00,0a,00,00,00,05,00,03,00,00,00,00,00,00,00,00,00,03,00,00,00,05,00,02,00,00,00,00,00,00,00
Fiji Standard Time(GMT+12:00) Fiji, Marshall Is.Fiji Daylight TimeFiji Standard TimeNo DSTNo DSTTZI=hex:30,fd,ff,ff,00,00,00,00,c4,ff,ff,ff,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00
Montevideo Standard Time(GMT-03:00) MontevideoMontevideo Daylight TimeMontevideo Standard Time1st Sunday of October at 02:00:00.0002nd Sunday of March at 02:00:00.000TZI=hex:b4,00,00,00,00,00,00,00,c4,ff,ff,ff,00,00,03,00,00,00,02,00,02,00,00,00,00,00,00,00,00,00,0a,00,00,00,01,00,02,00,00,00,00,00,00,00
Coordinated Universal Time(GMT) Coordinated Universal TimeCoordinated Universal TimeCoordinated Universal TimeNo DSTNo DSTTZI=hex:00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00,00
Update rollup information

Windows XP

Prerequisites

To apply this update, you must have either
  • Windows XP Service Pack 2 (SP2)

    - or -
  • Windows XP Service Pack 3 (SP3)
installed on the computer.

For more information, click the following article number to view the article in the Microsoft Knowledge Base:
322389 How to obtain the latest Windows XP service pack

Restart information

You do not have to restart the computer after you apply this update.

Update replacement information

Note You can install this cumulative update rollup even after you have installed any of the following previously-released updates. This update replaces the following update:
955839 December 2008 cumulative time zone update for Microsoft Windows operating systems

File information

The English version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows XP, x86-based versions
File nameFile versionFile sizeDateTimePlatform
Tzchange.exe5.1.2600.584546,08014-Jul-200911:03x86

Windows XP, x64-based versions
File nameFile versionFile sizeDateTimePlatform
Tzchange.exe5.2.3790.455260,92816-Jul-200913:55x64
Wtzchange.exe5.2.3790.455246,08016-Jul-200913:51x86

Windows Server 2003

Prerequisites

To apply this update, you must have Windows Server 2003 SP2 installed on the computer. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
889100 How to obtain the latest service pack for Windows Server 2003

Restart information

You do not have to restart the computer after you apply this update.

Update replacement information

Note You can install this cumulative update rollup even after you have installed any of the following previously-released updates. This update replaces the following update:
955839 December 2008 cumulative time zone update for Microsoft Windows operating systems

File information

The English version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows Server 2003, x86-based versions
File nameFile versionFile sizeDateTimePlatform
Tzchange.exe5.2.3790.455246,08016-Jul-200914:43x86

Windows Server 2003, x64-based versions
File nameFile versionFile sizeDateTimePlatform
Tzchange.exe5.2.3790.455260,92816-Jul-200913:55x64
Wtzchange.exe5.2.3790.455246,08016-Jul-200913:51x86

Windows Server 2003, Itanium-based versions
File nameFile versionFile sizeDateTimePlatform
Tzchange.exe5.2.3790.455291,64816-Jul-200913:55IA-64
Wtzchange.exe5.2.3790.455246,08016-Jul-200913:51x86


Windows Vista

Prerequisites

To apply this update, you must have Windows Vista Service Pack 1 (SP1) installed on the computer. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
935791 How to obtain the latest Windows Vista service pack

Restart information

You do not have to restart the computer after you apply this update.

Update replacement information

Note You can install this cumulative update rollup even after you have installed any of the following previously-released updates. This update replaces the following update:
955839 December 2008 cumulative time zone update for Microsoft Windows operating systems

File information

The English version of this update has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows Vista and Windows Server 2008 file information notes

Windows Vista and Windows Server 2008 file information note

The MANIFEST files (.manifest) and MUM files (.mum) installed for each environment are listed separately . MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. The security catalog files (attributes not listed) are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows Server 2008 and Windows Vista

File nameFile versionFile sizeDateTimePlatform
Tzres.dll6.0.6000.168732,04822-Jun-200908:44x86
Tzupd.exe6.0.6000.1687318,94422-Jun-200910:30x86
Tzres.dll6.0.6000.210702,04822-Jun-200908:44x86
Tzupd.exe6.0.6000.2107018,94422-Jun-200910:21x86
Tzres.dll6.0.6001.182752,04822-Jun-200910:22x86
Tzupd.exe6.0.6001.1800018,94419-Jan-200807:33x86
Tzres.dll6.0.6001.224542,04822-Jun-200910:26x86
Tzupd.exe6.0.6001.2245418,94422-Jun-200910:26x86
Tzres.dll6.0.6002.180542,04822-Jun-200910:09x86
Tzupd.exe6.0.6001.1800018,94419-Jan-200807:33x86
Tzres.dll6.0.6002.221552,04822-Jun-200910:13x86
Tzupd.exe6.0.6002.2215518,94422-Jun-200910:13x86


For all supported x64-based versions of Windows Server 2008 and Windows Vista
File nameFile versionFile sizeDateTimePlatform
Tzres.dll6.0.6000.168732,04822-Jun-0908:44x64
Tzupd.exe6.0.6000.1687320,99222-Jun-0910:30x64
Tzres.dll6.0.6000.210702,04822-Jun-098:44x64
Tzupd.exe6.0.6000.2107020,99222-Jun-200910:21x64
Tzres.dll6.0.6001.182752,04822-Jun-200910:22x64
Tzupd.exe6.0.6001.1800020,99219-Jan-200807:33x64
Tzres.dll6.0.6001.224542,04822-Jun-200910:26x64
Tzupd.exe6.0.6001.2245420,99222-Jun-200910:26x64
Tzres.dll6.0.6002.180542,04822-Jun-200910:09x64
Tzupd.exe6.0.6001.1800020,99219-Jan-200807:33x64
Tzres.dll6.0.6002.221552,04822-Jun-200910:13x64
Tzupd.exe6.0.6002.2215520,99222-Jun-200910:13x64


For all supported Itanium-based versions of Windows Server 2008
File nameFile versionFile sizeDateTimePlatform
Tzres.dll6.0.6001.182752,04822-Jun-200910:28IA-64
Tzupd.exe6.0.6001.1800037,37619-Jan-200808:23IA-64
Tzres.dll6.0.6001.224542,04822-Jun-200910:21IA-64
Tzupd.exe6.0.6001.2245437,37622-Jun-200910:21IA-64
Tzres.dll6.0.6002.180542,04822-Jun-200910:06IA-64
Tzupd.exe6.0.6001.1800037,37619-Jan-200808:23IA-64
Tzres.dll6.0.6002.221552,04822-Jun-200910:14IA-64
Tzupd.exe6.0.6002.2215537,37622-Jun-200910:14IA-64


Additional file information for Windows Server 2008 and Windows Vista

For a list of additional files provided within these packages, click on the link below:
http://download.microsoft.com/download/3/A/9/3A92299D-22D1-4E90-984E-C519B395E3F4/KB970653 - Additional File List for August 2009 Cumulative Time Zone Update.xls

Properties

Article ID: 970653 - Last Review: 10/20/2009 07:51:05 - Revision: 3.1

Microsoft Windows Server 2003, Datacenter Edition (32-bit x86), Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems, Microsoft Windows Server 2003, Datacenter x64 Edition, Microsoft Windows Server 2003, Enterprise x64 Edition, Microsoft Windows Server 2003, Enterprise Edition (32-bit x86), Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems, Microsoft Windows Server 2003, Standard x64 Edition, Microsoft Windows Server 2003, Standard Edition (32-bit x86), Windows Server 2008 Datacenter without Hyper-V, Windows Server 2008 Enterprise without Hyper-V, Windows Server 2008 for Itanium-Based Systems, Windows Server 2008 Standard without Hyper-V, Windows Server 2008 Datacenter, Windows Server 2008 Enterprise, Windows Server 2008 Standard, Windows Vista Enterprise 64-bit Edition, Windows Vista Home Basic 64-bit Edition, Windows Vista Home Premium 64-bit Edition, Windows Vista Ultimate 64-bit Edition, Windows Vista Business, Windows Vista Business 64-bit Edition, Windows Vista Enterprise, Windows Vista Home Basic, Windows Vista Home Premium, Windows Vista Ultimate, Microsoft Windows XP Home Edition, Microsoft Windows XP Professional

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