BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//uttek//Mail & Kalender//DE
CALSCALE:GREGORIAN
BEGIN:VEVENT
UID:e7197b2e58e8764d@demo.example
DTSTAMP:20261102T113733Z
DTSTART:20261008T130000Z
DTEND:20261008T134500Z
SUMMARY:Klavier Tobias
LOCATION:Musikschule
RRULE:FREQ=WEEKLY
END:VEVENT
END:VCALENDAR