BEGIN:VCALENDAR PRODID:-//hacksw/handcal//NONSGML v1.0//EN BEGIN:VEVENT DTSTART;TZID=Europe/London:20180319T194500 DTEND;TZID=Europe/London:20180319T204500 LOCATION: SUMMARY:Acceptance DESCRIPTION: METHOD:PUBLISH END:VEVENT END:VCALENDAR