BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
BEGIN:VTIMEZONE
TZID:America/Chicago
BEGIN:DAYLIGHT
DTSTART:20270314T030000
TZOFFSETFROM:-0600
TZOFFSETTO:-0500
RRULE:FREQ=YEARLY;BYDAY=2SU;BYMONTH=3
TZNAME:CDT
END:DAYLIGHT
BEGIN:STANDARD
DTSTART:20261101T010000
TZOFFSETFROM:-0500
TZOFFSETTO:-0600
RRULE:FREQ=YEARLY;BYDAY=1SU;BYMONTH=11
TZNAME:CST
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTAMP;TZID=America/Chicago:20260407T040450
UID:213014@calendar.wisc.edu
DTSTART;VALUE=DATE:20261129
DTEND;VALUE=DATE:20261130
DESCRIPTION:*Note: actual end time may vary.*  \n \n\nCONTACT: admin@secfac
 .wisc.edu
SUMMARY:Thanksgiving Recess
END:VEVENT
END:VCALENDAR