Set an alarm with the Set Alarm button, start or stop a stopwatch with the Stopwatch button, and set a timer with the Set Timer button. When setting a timer, set if for the number of hours in two digits, a colon, (:) the number of minutes in two digits, another colon, and the number of seconds in two digits. Yes: 50:03:32 01:00:00 06:06:06 00:15:00 No: 6:3:9 60:0:2 h:tt:oo 001500 15 minutes 30 seconds 5 Hours For an alarm set it for the time using two digits for the hour, a colon, and two digits for the minutes, a space and then AM or PM. Yes: 07:30 AM 12:27 PM 10:19 PM No: 6:3 7:99 After Midnight 1145 PM tt:34 IM 21:65 AM Stopwatch coming soon!