If the nature of your job involves travelling places very often, you may be using your smartphone to know the which Time Zone you are travelling and accordingly what is the time. Being a Windows 10 user, you can take advantage of the automatic Time Zone detect feature which comes disabled by default settings, but you can turn it ON anytime.
Click the Date and Time on the taskbar.
Now click ‘Date and time settings’.
In the right pane of the Date and Time settings, you will several options of date and time. You can set the time automatically. To set time zone automatically, move the slider and turn it On. By doing this you allow your Windows 10 to contact Microsoft servers over internet to get the time and time zone based on your location. Needless to say, you need to have internet connection when travelling places in order to sync your time and time zone.
Configure Internet Server for Time Sync
By default, Windows 10 synchronizes the time and zone from time.windows.com server. You can change it to whatever you want and if you have any reliable sources. Windows 10 comes with optional gov provided time and time zone if you want it that way.
In the same settings app, scroll to the bottom and click ‘Additional date, time, & regional settings’.
Click ‘Set the time and date’ followed by ‘Internet Time’ tab. Next click ‘Change settings’ button and you will see option to choose the server in the drop-down list. You will see time.nist.gov as the optional choice for syncing the time and time zone. Click ‘Update now’ and you are done.