BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//WhatWeek//Week Calendar Export//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:whatweek-iso-2017-w21@whatweek.is
SUMMARY:ISO Week 21\, 2017
DESCRIPTION:ISO Week 21 of 2017 runs from 2017-05-22 to 2017-05-28.
DTSTART;VALUE=DATE:20170522
DTEND;VALUE=DATE:20170529
END:VEVENT
END:VCALENDAR