How to Change Time Format in Windows (12 Hour or 24 Hour Clock)

How to change time format on Windows pc

If your clock does not show time the way you like, Windows lets you change it in just a few clicks. You can switch between the 12-hour and 24-hour time format directly from Windows settings. This works on both Windows 10 and Windows 11 without installing anything extra. In this guide, you will learn how to change time format in Windows step by step.

How to Change Time Format in Windows

1. Open date and time settings in Windows

First, you need to access the Windows date time settings.

windows 11 date and time settings showing change the date and time format option

  • Right-click on the clock in the bottom right corner of your screen
  • Click Adjust date and time
right click taskbar clock and select adjust date and time on windows 11

  • The date time settings window will open

This takes you to the Date & time screen where Windows manages time and clock settings.

2. Open Change the date and time format

Now you will access the section that controls time format options.

  • Scroll down and click Change the date and time format
windows 11 date and time settings page highlighting change the date and time format

  • Make sure you are inside the correct format settings.
Windows 11 showing the Time & Language, Date & Time and Format tab path

This section controls how time, date, and region formats appear in Windows.

3. Change time format from 12 hour to 24 hour

This is where you change the actual clock format.

windows 11 time format settings showing short time and long time options

  • Find the time format options for short time and long time
  • Choose HH:mm for 24 hour time or h:mm tt for 12 hour time
short time dropdown in windows 11 showing 12 hour and 24 hour clock formats

Your clock will update immediately after saving the changes.

4. Check the new time format on your Windows clock

Finally, confirm the changes worked.

windows 11 taskbar clock showing updated time format after changing settings

  • Look at the clock in the taskbar
  • Make sure the time format matches your selection
  • Restart your pc if the change does not appear right away

Your Windows clock now shows the new time format you selected.

Summary

To change time format in Windows, open date time settings, go to time and language settings, and adjust the regional time format. You can switch between 12 hour and 24 hour clock instantly on Windows 10 and Windows 11.

Troubleshoot

Time format did not change

Restart your PC or sign out and back in to refresh Windows clock settings.

Time and language settings not visible

Make sure Windows is fully updated, as older versions may hide these options.

Clock shows wrong region format

Check your region settings and make sure the correct country is selected.

FAQs

How do I change time format in Windows 11?

Right-click the clock, open date time settings, go to change the date and time format, and adjust the short and long time format.

Can I use 24 hour time on Windows laptop?

Yes, the 24 hour clock works on all Windows laptops and desktops.

Does changing time format affect system time?

No, changing the time format only affects how the clock is displayed, not the actual system time.