BEGIN:VCALENDAR PRODID:-//hacksw/handcal//NONSGML v1.0//EN BEGIN:VEVENT DTSTART;TZID=Europe/London:20180711T183000 DTEND;TZID=Europe/London:20180711T193000 LOCATION: SUMMARY:HBS Summer Party DESCRIPTION: METHOD:PUBLISH END:VEVENT END:VCALENDAR