IMS – Thanks Giving Holiday Calendar When: November 29, 2013 all-day 2013-11-29T00:00:00-08:00 2013-11-30T00:00:00-08:00 Holiday IMS, a leading life brokerage general agency, will be closed from Wednesday November 27th @1:00 and will re-open Monday December 2nd in observance of the Thanksgiving Holiday.