Read help info
It's important that the date and time are correct as some tablet functions won't work. In most cases, date and time are set automatically but alternatively you can set them manually.
Find "Date & Time"
Slide your finger down the display starting from the top edge of your tablet.
Press Date & Time.
Turn on automatic time zone update
Press Automatic Time Zone until the function is turned on.
If you want to set the time zone manually, you need to turn off automatic time zone update and press Select Time Zone. Follow the instructions on the display to set the time zone manually.
Return to the home screen
Press the home icon to return to the home screen.