BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
SUMMARY:1 op 1 les
DTSTART;TZID=Europe/Amsterdam:20211122T210000
DTEND;TZID=Europe/Amsterdam:20211122T214500
LOCATION:Yoga Imma
DESCRIPTION: 
STATUS:CONFIRMED
SEQUENCE:0
END:VEVENT
END:VCALENDAR