BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20210131T000000Z DTEND:20210131T000000Z SUMMARY:Powder Flow 2021: Online Workshop and Conference: Poster abstract deadline due before 31st January 2021 LOCATION: END:VEVENT END:VCALENDAR