Swipe down from the top of the screen, then tap the Settings icon. Note: The device will automatically attempt to set the date and time from the network. This tutorial demonstrates how to manually set the date and time on your device.
Scroll to and tap Date & time.
Tap the Automatic date & timecheckbox to toggle off to manually set date & time.
Tap Set date.
Touch and slide the Date rollers to the Desired date.
Tap Set time.
Touch and slide the Time rollers to set the Desired time.
To edit the time zone, tap Select time zone and set Desired time zone.
To edit time/date format, tap Use 24-hour format to turn on or off as desired.
To set an alarm, from the home screen, tap the Apps icon.