Doug's Day Diner Share: Restaurants Doug's Day Diner Visit Website Request Info 1619 Coalton Road Superior, CO 80027 (720) 231-1408 Hours: Monday thru Friday 6am-2pm Saturday & Sunday 7am-2pm About Map About Doug's Day Diner is a place for the regulars and newcomers alike. It's not home, it's not work; it's your third place, where you are taken care of. We welcome you to visit and make our food a part of your tradition. What's Nearby? Distance: 5 10 15 20 25 50 mi.