8 Configuration
8.2 Adjust Date and Time
8.2.1 Set Time
Follow the instructions your phone will give you. Press Accept
to accept the dates or Cancel 
to leave the menu.
Also, the time can be entered in 12-hour format (AM/PM option) if beforehand
the format question you press Cancel
the 24 hour option. In this case you will have to enter in AM/PM after entering
in the hour and minutes. Press Cancel
to select this information.