BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-2100-W4@make-a-calendar.com
DTSTAMP:20260902T100637Z
DTSTART;VALUE=DATE:21000125
DTEND;VALUE=DATE:21000201
SUMMARY:ISO Week 4, 2100
DESCRIPTION:Monday–Sunday · 2100-W04 · Jan 25 – Jan 31, 2100
URL:https://make-a-calendar.com/week-number/2100/4
END:VEVENT
END:VCALENDAR