BEGIN:VCALENDAR
PRODID:-//eluceo/ical//2.0/EN
VERSION:2.0
CALSCALE:GREGORIAN
BEGIN:VEVENT
UID:1ddc5784c62c685c8b0035aaaba331d8
DTSTAMP:20261111T133319Z
SUMMARY:Test Timezone
DESCRIPTION:Test
DTSTART;TZID=Europe/Istanbul:20261111T123350
DTEND;TZID=Europe/Istanbul:20261112T123300
LOCATION:vor Ort
END:VEVENT
BEGIN:VTIMEZONE
TZID:Europe/Istanbul
BEGIN:STANDARD
DTSTART:20261111T123350
TZNAME:+03
TZOFFSETTO:+0300
TZOFFSETFROM:+0300
END:STANDARD
END:VTIMEZONE
END:VCALENDAR