BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
SUMMARY:Test  no class
DTSTART;TZID=America/Chicago:20200513T150000
DTEND;TZID=America/Chicago:20200513T171000
LOCATION:outer space
DESCRIPTION: 
STATUS:CONFIRMED
SEQUENCE:0
END:VEVENT
END:VCALENDAR