BEGIN:VCALENDAR PRODID:-//hacksw/handcal//NONSGML v1.0//EN BEGIN:VEVENT DTSTART;TZID=Europe/London:20170323T180000 DTEND;TZID=Europe/London:20170323T190000 LOCATION: SUMMARY:A Conversation on Collecting DESCRIPTION: METHOD:PUBLISH END:VEVENT END:VCALENDAR