costco closed on what holidays
Hereâs a bullet list of all the Costco holiday closures along with dates for 2012. 1  New Yearâs Day â January 1, 2012. 2  Easter â Sunday, April 8, 2012. 3  Memorial Day â Monday, May 28, 2012. 4  Independence Day â July 4, 2012 (a.k.a. Fourth of July). 5  Labor Day â Monday, September 3, 2012.