BEGIN:VCALENDAR
VERSION:2.0
CALSCALE:GREGORIAN
PRODID:-//SabreDAV//SabreDAV//EN
X-WR-CALNAME:some tasks
X-APPLE-CALENDAR-COLOR:#ff0000
REFRESH-INTERVAL;VALUE=DURATION:PT4H
X-PUBLISHED-TTL:PT4H
BEGIN:VTODO
UID:1e6554b1-7ec6-4b58-9688-1dd141ea22cd
CREATED:20260208T070332Z
LAST-MODIFIED:20260208T070343Z
DTSTAMP:20260208T070343Z
SUMMARY:test 2
DUE;VALUE=DATE:20260209
END:VTODO
BEGIN:VTODO
UID:d6c1f8fa-0dfa-4d31-a988-6e7876fe3222
CREATED:20260208T070025Z
LAST-MODIFIED:20260208T070338Z
DTSTAMP:20260208T070338Z
SUMMARY:test 1
DTSTART;VALUE=DATE:20260208
END:VTODO
END:VCALENDAR