BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20211207T000000Z DTEND:20211208T000000Z SUMMARY:#RSCBatteriesPoster 24hr Twitter conference starts on the 7th December 2021 12:00 LOCATION:United Kingdom END:VEVENT END:VCALENDAR