BEGIN:VCALENDAR
VERSION:2.0
PRODID:spatie/icalendar-generator
BEGIN:VTIMEZONE
TZID:UTC
BEGIN:STANDARD
DTSTART:20250928T154711
TZOFFSETFROM:+0000
TZOFFSETTO:+0000
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BEGIN:VEVENT
UID:6a3d4d7f05ff7
DTSTAMP:20260625T154711Z
SUMMARY:SchreibZeit - Silent Writing 
DTSTART:20260910T170000Z
DTEND:20260910T190000Z
END:VEVENT
END:VCALENDAR