BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20130110T090000
DTEND:20130110T140000
RRULE:FREQ=WEEKLY;INTERVAL=1;UNTIL=20140523;BYDAY=TH
SUMMARY:Plant Nursery Work Day
END:VEVENT
END:VCALENDAR