BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
SUMMARY:On line
DTSTART;TZID=Europe/London:20220625T083000
DTEND;TZID=Europe/London:20220625T094500
LOCATION:On line
DESCRIPTION: 
STATUS:CONFIRMED
SEQUENCE:0
END:VEVENT
END:VCALENDAR