BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20241104T094500
DTEND;TZID=Europe/Berlin:20241105T000000
SUMMARY:33rd energy seminar
DESCRIPTION:Waste heat utilization in the heat supply
END:VEVENT
END:VCALENDAR