Most businesses across the U.S. will be closed on Christmas Day, but not all. Before you run out the door this Christmas, it’s wise to double-check operating hours, which can differ depending on their location. When in doubt, call ahead or look up more specific schedules online for stores in your neighborhood. Here’s a rundown of major chains on Christmas Day this year, and what’s open and closed. McDonald’s Many McDonald’s locations in the U.S….