BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20070831T170000
DTEND:20070831T193000
RRULE:FREQ=WEEKLY;INTERVAL=1;UNTIL=20140521;BYDAY=FR
SUMMARY:Indigo Hour
END:VEVENT
END:VCALENDAR