Samsung SGH-T459EGAGEN - Manual (Page 85)

Alarm 82
10. Press Save to confirm your settings or Cancel to return to the Alarm screen.
11. Press the key to return to Idle mode.
Note: Your phone is preset to a 12-hour format. To change the time format, see “Time & date” on page 92.
12. To stop the alarm when it rings, press any key or press the Snooze soft key.