BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
DTSTART;TZID=Europe/Berlin:20200110T100000
DTEND;TZID=Europe/Berlin:20200111T160000
SUMMARY:out of office day #13 in Jelenia Góra (PL)
DESCRIPTION:Come out of your booth!
END:VEVENT
END:VCALENDAR