BEGIN:VCALENDAR
PRODID:-//Sonova//ical//2.0/EN
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
UID:43f298457c74fc9df79e4b8c6f0dadfe
DTSTAMP:20260814T150009Z
SUMMARY:Quiet period
DTSTART:20210401T000000Z
DTEND:20210518T000000Z
END:VEVENT
END:VCALENDAR