Sun Java System Calendar Server 6.3 WCAP Developer's Guide

Duration and dtend

The ending date, dtend, overrides duration. If you specify both duration and dtend, the command ignores duration.

Duration strings can be used in three parameters: duration, alarmPopup and alarmStart.

Specify the duration in iCal format. For example:

Notice that the T in the string separates the date information from the time information.