How to Change The Windows 10 & 11 Clock to 12 or 24 Hour Format

By Timothy Tibbetts

The Windows 10 and 11 clock uses the 12-hour format by default, but you can change the time to the 24-hour format, also referred to as military time.

Click on Start > Settings or press the Windows Key + I.

Click on Time & language.

Click on Date & time.

Follow below for Windows 11 or 10:

Windows 11

Click on Language and region for Windows 11

On Windows 11, click to expand Regional format.

Click on Change formats.

Click on Short time.

Choose 9:40 AM or 9:40 for the default 12-hour clock.

Choose 09:40 AM or 09:40 for the 24-hour clock.

You will see the Clock change when you select any available options.

Windows 10

Click on Date, time & regional formatting on the right.

Click on Additional date, time, & regional settings.

The Control Panel will open.

Click on Change date, time, or number formats.

Click on Short time.

Choose h:mm tt or hh:mm tt for the default 12-hour clock.

Choose H:mm or HH:mm for the 24-hour clock.

Click Apply to see the change.

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