BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20220601T000000Z DTEND:20220601T000000Z SUMMARY:Virtual Conference on 91AV and its Applications (VCCA-2022): Early bird registration deadline due before 1st June 2022 LOCATION: END:VEVENT END:VCALENDAR