BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//gyrobase/iCalendar//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTART:20120825T113000
DTEND:20120825T163000
RRULE:FREQ=WEEKLY;INTERVAL=1;UNTIL=20140521;BYDAY=SA
SUMMARY:1/2 price burgers
END:VEVENT
END:VCALENDAR