BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250909T154019
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6a243f63f3b74
DTSTAMP:20260606T154019Z
SUMMARY:Das Lehrerzimmer
DTSTART:20260612T170000Z
DTEND:20260612T170000Z
END:VEVENT
END:VCALENDAR