BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1988-W1@make-a-calendar.com
DTSTAMP:20260920T155645Z
DTSTART;VALUE=DATE:19880104
DTEND;VALUE=DATE:19880111
SUMMARY:ISO Week 1, 1988
DESCRIPTION:Monday–Sunday · 1988-W01 · Jan 4 – Jan 10, 1988
URL:https://make-a-calendar.com/week-number/1988/1
END:VEVENT
END:VCALENDAR