Switch your time zone automatically based on your location. If you travel a lot, this is something you’ll want to set up.

Automatically switch time zones in Windows 10 should be turned on by default on your laptop, but before heading out on a business trip, you might want to double-check. 

Enabling this feature is easy.

Step 1 :  Head to Settings > Time & Language > Date & Time and turn on the toggle under "Set time zone automatically".

But sometimes it did not work even you have turn on "Set Time Zone Automatically"

Step 2 : Check that your PC can access your location settings. 

To do this, Open Settings and select Privacy and Security 

Step 3 : Click and Select "Location" under "App Permission" category

Step 4 : Toggle the “Location Services" button to ”On“ and you finish setup the automatic time zone.