Above is a link to your phones manual in case you ever need it if you lose the one that you have.
Time: Select the desired set time mode
using the navigation key. Input your desired
alarm time by specifying the hour and
minutes. If the time is in the 12 hour format,
you have to select either 'am' or 'pm' using
the Center key.(
its just your select key)
(Repeat: Select the desired repeat mode
using the navigation key.)
Alarm Type: Allows you to choose an
Alarm type for your selected alarm.
Options are: Follow Profile/ Always Sound/
Alarm Tone: Select the alarm sound to use
for the alarm using the Center key
This is actually found on page 65 of your manual.
I hope this helps you out. just select the format, am, pm or 24 hours like you would the time you want to change the hour or mins, .
I hope this helps you. please let me know