BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Tieto//EventPage//EN
BEGIN:VEVENT
UID:6C92EB52-1268-4A51-9921-A816CF4B3D1D
DTSTAMP:20261110T040150Z
DTSTART:20270328T210000Z
DTEND:20270427T210000Z
SUMMARY:Closed window from 29 March to 28 April
END:VEVENT
END:VCALENDAR