BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
SUMMARY:semi private
DTSTART;TZID=Europe/Zurich:20210918T120000
DTEND;TZID=Europe/Zurich:20210918T130000
LOCATION:studio
DESCRIPTION: 
STATUS:CONFIRMED
SEQUENCE:0
END:VEVENT
END:VCALENDAR