BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//hacksw/handcal//NONSGML v1.0//EN
BEGIN:VEVENT
DTSTAMP:20170423T160000Z
DTSTART:20170423T160000Z
DTEND:20170423T160000Z
SUMMARY:NDR1 Welle Nord Hörfunkduell
END:VEVENT
END:VCALENDAR