BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
SUMMARY:Sorry No Training Session Today - Hospital appointment all day
DTSTART;TZID=Europe/London:20210315T230000
DTEND;TZID=Europe/London:20210315T230500
LOCATION:Zen Den
DESCRIPTION: 
STATUS:CONFIRMED
SEQUENCE:0
END:VEVENT
END:VCALENDAR