Windows 10 – How to change clock to 24 hour format

The steps below show how to change the Windows 10 clock to 24-hour format.

How to change Windows 10 time to 24-hour format

    1. Right-click on the clock at the bottom right of your screen then click on ‘Adjust date/time’
    2. In the right side of the window, click on ‘Date, time, & regional formatting’
    3. Scroll down to the bottom of ‘Regional format data’
    4. Click on ‘Change data formats’
    5. Under ‘Short time’ select ‘9:40’
    6. Close the window
    7. Your time will now be in 24-hour format

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50 comments on “Windows 10 – How to change clock to 24 hour format

  1. Thank you for this information. I found the screen myself, but I was expecting an example between 12:00 and 23:49 to show the difference between 12 and 24 hour time formats. Due to that example being missing, I came to look it up.

  2. Many companies had 24-hour time as the default since the 1970’s. For example, DEC. Microsoft was pandering to the masses by using AM/PM with all its annoyances as the default. Even if that were appropriate, it should have been much easier to turn it off than it has been over the years.

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