BEGIN:VCALENDAR PRODID:-//hacksw/handcal//NONSGML v1.0//EN BEGIN:VEVENT DTSTART;TZID=Europe/London:20161215T193000 DTEND;TZID=Europe/London:20161215T203000 LOCATION: SUMMARY:Christmas Concert DESCRIPTION: METHOD:PUBLISH END:VEVENT END:VCALENDAR