BEGIN:VCALENDAR PRODID:-//hacksw/handcal//NONSGML v1.0//EN BEGIN:VEVENT DTSTART;TZID=Europe/Berlin:20171206T200000 DTEND;TZID=Europe/Berlin:20171206T210000 LOCATION: SUMMARY:By invitation only: Concert DESCRIPTION: METHOD:PUBLISH END:VEVENT END:VCALENDAR