BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20251225T161639
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
UID:6ab158678f662
DTSTAMP:20260921T161639Z
SUMMARY:IG Jazz Session: Vincent Rotter Quartett
DTSTART:20260921T180000Z
DTEND:20260921T180000Z
END:VEVENT
END:VCALENDAR