If you notice that your Samsung Galaxy S6 does not automatically synchronize the date or the time format you can change this quickly within the Android system. There is the special settings for that function. This is: "Automatic Date and Time"
If this option is enabled, time and date is used provided by the cellular network. By continuously synchronizing the time on your Samsung Galaxy S6 it should always be exactly. And here you can activate the automatic time on your Samsung Galaxy S6:
Open from the home screen the menu and then the settings. Scroll down until you can see the entry "Date & Time". You can now activate the option "Automatic Date and Time" by placing a tick in the check box on your Samsung Galaxy S6. Finished!
The time on your Samsung Galaxy S6 should now be correctly retrieved and displayed on the cell network. You now know how to enable automatic synchronization of the time and date on your Samsung Galaxy S6.