BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1971-W52@make-a-calendar.com
DTSTAMP:20260920T153832Z
DTSTART;VALUE=DATE:19711227
DTEND;VALUE=DATE:19720103
SUMMARY:ISO Week 52, 1971
DESCRIPTION:Monday–Sunday · 1971-W52 · Dec 27 – Jan 2, 1972
URL:https://make-a-calendar.com/week-number/1971/52
END:VEVENT
END:VCALENDAR