From the home screen, swipe down the Notifications bar with two fingers. 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.
Tap Date & time.
To manually change the time and date, tap Automatic date & time to turn it off.
Tap Set date.
Scroll to the Desired date.
Tap OK.
Tap Set time.
Scroll to the Desired time.
Tap OK.
To create a new alarm, swipe down on Notification panel with two fingers.
Tap the Clock app.
Tap + icon.
Adjust the alarm settings as desired, and then tap SAVE.