2016 — Egypt cancels DST

Egypt has permanently canceled its observation of daylight savings time (DST). The DST adjustment for this year was scheduled to begin on Friday, July 8, 2016, at midnight (24:00). This change affects the following time zone.

Time zone key nameDisplay name
Egypt Standard Time(UTC+02:00) Cairo

This update applies to the following operating systems:

  • Windows Server 2012 R2
  • Windows Server 2012
  • Windows 8.1
  • Windows Server 2008 R2 Service Pack 1 (SP1)
  • Windows 7 SP1
  • Windows Server 2008 Service Pack 2 (SP2)
  • Windows Vista SP2
Note To get the update for Windows 10, install the latest cumulative updates that are listed in the Windows 10 update history page.
The update that is described in this article removes the DST adjustment for Egypt Standard Time starting in 2016.

For more information about how DST changes may affect other Microsoft products, go to the following Microsoft website:

For more information about how DST changes may affect other Microsoft products, click the following article number to go to the article in the Microsoft Knowledge Base:

Note When you apply this update, you may receive a message that resembles the following:

Update cannot be installed as a newer or same time zone update has already been installed on the system.
This message indicates that either you have already applied the correct update or Windows Updates or Microsoft Update has automatically installed this update. No additional action is required to update the Windows operating system.

Update information

How to obtain this update

The following files are available for download and installation from the Microsoft Download Center:

Update for Windows Server 2012 R2 (KB3177723)

Update for Windows Server 2012 (KB3177723)

Update for Windows 8.1 for x64-based Systems (KB3177723)

Update for Windows 8.1 (KB3177723)

Update for Windows Server 2008 R2 x64 Edition (KB3177723)

Update for Windows Server 2008 R2 for Itanium-based Systems (KB3177723)

Update for Windows 7 for x64-based systems (KB3177723)

Update for Windows 7 for (KB3177723)

Update for Windows Server 2008 x64 Edition (KB3177723)

Update for Windows Server 2008 (KB3177723)

Update for Windows Server 2008 for Itanium-based systems (KB3177723)

Update for Windows Vista for x64-based Systems (KB3177723)

Update for Windows Vista (KB3177723)

Download information

For more information about how to download Microsoft support files, click the following article number to go to the article in the Microsoft Knowledge Base:

Virus-scan claim

Microsoft scanned these files for viruses. Microsoft used the most current virus-detection software that was available on the date that the files were posted. The files are stored on security-enhanced servers that help prevent any unauthorized changes to the files.


To apply this update, you must have the April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed on Windows 8.1 or Windows Server 2012 R2. Or, install Service Pack 1 for Windows 7 or Windows Server 2008 R2. Or, install Service Pack 2 for Windows Vista and for Windows Server 2008.

There are no prerequisites to install this update on Windows Server 2012.

Registry information

To apply this update, you do not have to make any changes to the registry.

Restart requirement

You do not have to restart the computer after you install this update.
More information

New and changed Windows time zones

For general information about new time zones and changes to existing time zones, see the following Microsoft Daylight Saving Time & Time Zone Blog article:

File information
For a list of the files that are provided in this update, download the file information for update 3177723.
Learn about the terminology that Microsoft uses to describe software updates.
Note This is a "FAST PUBLISH" article created directly from within the Microsoft support organization. The information contained herein is provided as-is in response to emerging issues. As a result of the speed in making it available, the materials may include typographical errors and may be revised at any time without notice. See Terms of Use for other considerations.

Номер статьи: 3177723 — последний просмотр: 08/19/2016 01:38:00 — редакция: 4.0

Windows Server 2012 R2 Datacenter, Windows Server 2012 R2 Standard, Windows Server 2012 R2 Essentials, Windows Server 2012 R2 Foundation, Windows 8.1 Enterprise, Windows 8.1 Pro, Windows 8.1, Windows RT 8.1, Windows Server 2012 Datacenter, Windows Server 2012 Standard, Windows Server 2012 Essentials, Windows Server 2012 Foundation, Windows Server 2008 R2 Service Pack 1, Windows 7 Service Pack 1, Windows Server 2008 Service Pack 2, Windows Vista Service Pack 2

  • kbqfe kbsurveynew kbfix atdownload kbexpertiseinter KB3177723
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