BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1977-W23@make-a-calendar.com
DTSTAMP:20260920T181418Z
DTSTART;VALUE=DATE:19770606
DTEND;VALUE=DATE:19770613
SUMMARY:ISO Week 23, 1977
DESCRIPTION:Monday–Sunday · 1977-W23 · Jun 6 – Jun 12, 1977
URL:https://make-a-calendar.com/week-number/1977/23
END:VEVENT
END:VCALENDAR