Possible Duplicate:
Programmatically add custom event in the iPhone Calendar
Is there any way I can add a reminder to iPhone default calendar?
Possible Duplicate:
Programmatically add custom event in the iPhone Calendar
Is there any way I can add a reminder to iPhone default calendar?
As an alternative, you can use UILocalNotification to fire alert/notification on a specified date/time. It also supports repeated notifications using the repeatInterval property.