BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1980-W47@make-a-calendar.com
DTSTAMP:20260920T181345Z
DTSTART;VALUE=DATE:19801117
DTEND;VALUE=DATE:19801124
SUMMARY:ISO Week 47, 1980
DESCRIPTION:Monday–Sunday · 1980-W47 · Nov 17 – Nov 23, 1980
URL:https://make-a-calendar.com/week-number/1980/47
END:VEVENT
END:VCALENDAR