BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
SUMMARY:Test
DTSTART;TZID=Europe/Berlin:20210123T151400
DTEND;TZID=Europe/Berlin:20210123T161400
LOCATION:zuhause
DESCRIPTION: 
STATUS:CONFIRMED
SEQUENCE:0
END:VEVENT
END:VCALENDAR