Walmart will be closed on Christmas Day - and reopen at 6 a.m. on Dec. 26. Target will be closed on Christmas and reopen at 7 a.m. on Dec. 26. All Costco warehouses in the U.S. are closed on Christmas Day. Many CVS locations will have modified hours on Christmas Day. Customers are encouraged to call ahead or double-check local hours online. Walgreens stores will be open on Christmas Day but pharmacy hours may vary. All 24-hour locations will continue to remain open.