BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//WhatWeek//Week Calendar Export//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:whatweek-iso-2027-w1@whatweek.is
SUMMARY:ISO Week 1\, 2027
DESCRIPTION:ISO Week 1 of 2027 runs from 2027-01-04 to 2027-01-10.
DTSTART;VALUE=DATE:20270104
DTEND;VALUE=DATE:20270111
END:VEVENT
END:VCALENDAR