BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//WhatWeek//Week Calendar Export//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:whatweek-iso-2015-w21@whatweek.is
SUMMARY:ISO Week 21\, 2015
DESCRIPTION:ISO Week 21 of 2015 runs from 2015-05-18 to 2015-05-24.
DTSTART;VALUE=DATE:20150518
DTEND;VALUE=DATE:20150525
END:VEVENT
END:VCALENDAR