To add an alarm, tap the Alarms icon, and then tap the + icon.
Swipe to select the desired alarm time, frequency, and sound, and then tap Save.
To turn off an alarm, tap Snooze delay the alarm by a few minutes, or swipe up from the bottom of the screen to dismiss the alarm. Tap the switch next to an alarm to turn it Off or On.
To remove an alarm, press and hold an alarm, then tap Remove.
To add a clock, tap the World Clock icon, then tap the + icon.
Enter the name of city, state, or country, and then select the desired city from the search results.
To remove a clock, press and hold a city, and then tap Remove.
To use a countdown timer, tap the Add Timer icon.
Swipe to select the desired amount of time, and then tap Start. The timer will immediately start counting down.
To use a stopwatch, tap the Stopwatch icon, then tap Start to start the stopwatch.
Tap Stop when you're finished.
To manage settings, such as displaying the time in 24-hour format, or selecting the length of time that alarms will snooze, tap the Settings icon at the top of the Alarms, World Clock, or Add Timer screens.
Modify your desired settings, and then swipe up from the bottom of your phone to go back to the Clock app.