BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//WhatWeek//Week Calendar Export//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:whatweek-iso-2026-w21@whatweek.is
SUMMARY:ISO Week 21\, 2026
DESCRIPTION:ISO Week 21 of 2026 runs from 2026-05-18 to 2026-05-24.
DTSTART;VALUE=DATE:20260518
DTEND;VALUE=DATE:20260525
END:VEVENT
END:VCALENDAR