BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-2100-W1@make-a-calendar.com
DTSTAMP:20260902T101032Z
DTSTART;VALUE=DATE:21000104
DTEND;VALUE=DATE:21000111
SUMMARY:ISO Week 1, 2100
DESCRIPTION:Monday–Sunday · 2100-W01 · Jan 4 – Jan 10, 2100
URL:https://make-a-calendar.com/week-number/2100/1
END:VEVENT
END:VCALENDAR