BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
SUMMARY:Vrijdag 9 uur on line
DTSTART;TZID=Europe/Amsterdam:20211231T090000
DTEND;TZID=Europe/Amsterdam:20211231T102000
LOCATION:Willibrordus
DESCRIPTION: 
STATUS:CONFIRMED
SEQUENCE:0
END:VEVENT
END:VCALENDAR