2016 — Egypt cancels DST

Applies to: Windows Server 2012 R2 DatacenterWindows Server 2012 R2 StandardWindows Server 2012 R2 Essentials


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.

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.