How to Change Date and Time Formats in Windows 10

By Hally | Last Updated September 17, 2025

Supposing that you want to change the order of day, month and year in the date, or would like to change the format of hour and minute in the time which is displayed on the bottom-right corner in your Windows 10 computer, you can achieve your goal by changing date and time formats. As for how to do that, two practical ways are introduced below.

• Method 1: Change them in PC settings.
• Method 2: Chang date and time formats in Control Panel.

Method 1: Change them in PC settings.

Step 1: Click the lower-left Start button, type date and time in the Start Menu's search box, and tap Change the date and time format in the results.

Step 2: In the Change data formats settings, select the date format and the time format you like.

Method 2: Chang date and time formats in Control Panel.

Step 1: Open Control Panel > Clock and Region. Then click Change date, time, or number formats.

Step 2: Customize the date and time formats.

1. In date formats, the meaning of the notifications is as follows.

d, dd=day; dddd=day of week; M=month; y=year.

2. In time formats, the meaning of the notifications is as below.

h=hour; m=minute; s=second; tt=AM or PM; h/H=12/24 hours; hh, mm, ss=display leading zero; h, m, s=do not display leading zero.

Step 3: Besides, you can click Additional settings button to define the date and time format separately.

Step 4: If you want to restore the default settings of the date and time, just hit the Reset button in Customize Format window.

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