BEGIN:VCALENDAR PRODID:-//www.kiste.net//DE CALSCALE:GREGORIAN VERSION:2.0 METHOD:PUBLISH BEGIN:VEVENT DTSTART;TZID=Europe/Berlin:20230919T173000 DTEND;TZID=Europe/Berlin:20230919T173000 URL: SUMMARY;CHARSET=UTF-8:Programmfilm END:VEVENT END:VCALENDAR