The Clock app on the iPhone does more than just tell you the time and set basic alarms. Did you know you get customize the vibration alert for an alarm? Label your alarms? Set good sleeping habits with Bedtime? In this tutorial we cover these features and more including viewing world times and how far ahead or behind a city is in time compared to where you are, adding and modifying alarms, using the Stopwatch, and using the Timer. Find out how to get the most out of alarms, setting good sleep habits, and more with our short tutorial on the Clock app on the iPhone.