BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//Make a Calendar//Week Number//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
BEGIN:VEVENT
UID:mac-week-1977-W42@make-a-calendar.com
DTSTAMP:20260920T181440Z
DTSTART;VALUE=DATE:19771017
DTEND;VALUE=DATE:19771024
SUMMARY:ISO Week 42, 1977
DESCRIPTION:Monday–Sunday · 1977-W42 · Oct 17 – Oct 23, 1977
URL:https://make-a-calendar.com/week-number/1977/42
END:VEVENT
END:VCALENDAR