BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//fa.cvut.cz//calendar//EN
BEGIN:VEVENT
UID:event-32423@fa.cvut.cz
DTSTAMP:20210728T143710Z
DTSTART:20210923T060000Z
DTEND:20210924T150000Z
SUMMARY:
END:VEVENT
END:VCALENDAR