Samsung Galaxy Watch3
Setting date and time
Date and time are automatically set from your phone but can be set manually if, e.g., your smartwatch isn't connected to your phone.
Press the Home key.
Press the settings icon.
Press General.
Press Date and time.
Press Set date.
Turn the Rotating bezel right or left to set the required date.
Press Done.
Press Set time.
Turn the Rotating bezel right or left to set the required time.
Press Done.
Press Select time zone.
Turn the Rotating bezel right or left to select the required time zone.
Press the time zone.
Press the required time zone.
Press the Home key to return to the home screen.