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Daylight Saving Time & Time Zone Blog
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Interim guidance for Egypt DST changes 2026

Naveen_Shankar's avatar
Naveen_Shankar
Icon for Microsoft rankMicrosoft
Apr 17, 2026

Microsoft has made a decision about addressing the new time-related change for Egypt. 

  On April 24, 2026, Egypt will be observing DST changes. Earlier this month, Microsoft has identified an issue that affects Daylight Saving Time (DST) in Egypt between April 24 and April 30, 2026,...
The Date and Time dialog box shows May 1 as the beginning of DST.
Updated Apr 17, 2026
Version 1.0
MarcoLFrancisco's avatar
MarcoLFrancisco
Icon for Microsoft rankMicrosoft
Apr 27, 2026

This document is wrong and should be corrected. You dont fix DST for year 2026 issuing a command for 2023. The provided command does nothing.

Correct command is

  1. reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones\Egypt Standard Time\Dynamic DST" /v 2026 /t REG_BINARY /d 88FFFFFF00000000C4FFFFFF00000A000400050017003B003B00E70300000400050005000000000000000000