BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20130526T120000
RRULE:FREQ=DAILY;INTERVAL=1;UNTIL=20130625
SUMMARY:Badminton at the Park
END:VEVENT
END:VCALENDAR