22ClockThe Clock app has many features to go with its world clock abilities. Set alarms, use it as astopwatch, and even turn it into one (or more!) countdown timers.Alarm: Tap the red New Alarm/+ button to add an alarm. From hereyou can choose the time of day, the ringtone the alarm uses, on whatdays it repeats, whether it vibrates the phone, and its name. Press theOverflow button to configure how alarms behave and what yourphone’s buttons do to an alarm.World Clock: By default, this displays your current time. You canadd other world clocks by using the red button and then checkingone or more cities. Use the Back arrow to get out of the city selectionprocess. Use the Overflow button to configure how the clock displays.Countdown Timer: Use the keypad to enter in a length of time, thentap the red Start button. Once you’ve started a timer, you can changeits label by tapping the word “label”, extend the time , stop it withthe red pause button, or delete it . You can also use the + button toadd more timers, which you can all have going at once if you like.