The NTP (Network Time Protocol) is an Internet protocol that is used to synchronize the time on your system with a centralized Network Time Protocol server. It also analyses the timestamp values including the frequency of errors and the stability.
See the instructions for setting up time zone and NTP specifically of Windows OS below.

To configure with NTP or Internet Time:

1. Right-click on the time in Taskbar and then click Adjust date/time.
2. Click Internet Time tab, and then click Change settings….
3. Check the Synchronize with an Internet time server box and select an available Internet time server from the drop-down menu.
4. Click Update now and then OK.

To change Time zone:

1. Right-click on the time in Taskbar and then click Adjust date/time.
2. Click Date and Time tab. and then click Change time zone….

3. Select a needed Time zone from the drop-down menu.
4. Click OK and complete.