BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//TYPO3/NONSGML Calendarize//EN
BEGIN:VEVENT
UID:calendarize-221
DTSTART:20210612T080000Z
DTEND:20210612T140000Z
SUMMARY:
DESCRIPTION:
LOCATION:
END:VEVENT

END:VCALENDAR