Day after Thanksgiving Calendar When: November 28, 2008 all-day 2008-11-28T00:00:00-06:00 2008-11-29T00:00:00-06:00 Where: USA Holiday Day after 4th Thursday in November. Whilst it is not an official holiday, the Day after Thanksgiving is given an a holiday by most employers. Information provided by www.officeholidays.com