BEGIN:VCALENDAR
VERSION:2.0
BEGIN:VEVENT
UID:event_dtr_exdatez
SUMMARY:event_dtr_exdatez
RRULE:FREQ=WEEKLY;UNTIL=20140725T053000Z
EXDATE:20140721T053000Z
DTSTART;TZID=Europe/Berlin:20140630T073000
DURATION:PT4H31M
DESCRIPTION:An recurring datetime event with excluded dates in Zulu time
END:VEVENT
END:VCALENDAR