BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-2031-W1@make-a-calendar.com
DTSTAMP:20260913T193310Z
DTSTART;VALUE=DATE:20301230
DTEND;VALUE=DATE:20310106
SUMMARY:ISO Week 1, 2031
DESCRIPTION:Monday–Sunday · 2031-W01 · Dec 30 – Jan 5, 2031
URL:https://make-a-calendar.com/week-number/2031/1
END:VEVENT
END:VCALENDAR