Windows and some apps format dates and times based on your regional format.
Your regional format will match your Windows display language by default, but you can change your regional format to any language on demand.
This tutorial will show you how to change the regional format for your account in Windows 11.
Some apps may need to be closed and reopened to see formatting changes.
Regional format settings are saved to the HKEY_CURRENT_USER\Control Panel\International registry key.
Open Settings (Win+I).
Click/tap on Time & language on the left side, and click/tap on Language & region on the right side. (see screenshot below)
Open Language & region Settings
Select the language you want in the Regional format drop menu. (see screenshots below)
Recommended is the default regional format setting to match your Windows display language.
You can now close Settings if you like.
Open the Control Panel (icons view), and click/tap on the Region icon.
Select the language you want in the Format drop menu, and click/tap on OK. (see screenshots below)
Match Windows display language (recommended) is the default regional format setting.
You can now close the Control Panel if you like.