From the home screen, swipe down from the Notification bar. 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.
Tap the Settings icon.
Swipe to the GENERAL tab, then tap Date and time.
Tap the Automatic date and time switch to disable.
To change the date, tap Set date.
Swipe to then tap the desired date, and tap OK.
To change the time, tap Set time.
Tap to set the time as desired and tap OK.
To set an alarm, from the home screen, tap Apps.
Tap the Add icon.
Adjust to the desired time and settings, then tap DONE.