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 System section, then tap Date and time.
Tap the Automatic date and time checkbox to disable.
To change the date, tap Set date.
Swipe to then tap the desired date.
Tap OK.
To change the time, tap Set time.
Scroll to and tap to set the time as desired.
Tap OK.
To set an alarm, from the home screen, tap Apps.
Tap Clock.
Tap the Plus Icon to set a new alarm
Scroll to and tap the desired time.
Adjust any additional settings, then tap DONE.
To toggle an alarm on or off, tap the Clock icon.