How to change the 12 Hour Clock to a 24 Hour Clock in Windows 8

Description: This article shows how to change the format of the Windows Clock to a 24 hour clock.

  1. Press the Windows Key and the letter X on the keyboard to open the quick access menu.
  2. Select Control Panel from the quick access menu.
    Windows 8 Quick Access Menu, Control Panel
  3. In the Control Panel, select Clock, Language, and Region.
    Control Panel, Clock, Language, and Region
  4. Click on Region.
    Windows Region Settings
  5. Under the Date and time formats section, select HH:mm from the drop down menu for the short time and HH:mm:ss from the drop down menu for the long time. Click OK to save the changes and exit.
    Windows Region Settings, Date and Time
  6. The clock will now display in a 24 hour format for both the short and long time.
    Windows 8 Clock and Calendar

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