The park is open year round except Christmas, December 25. Petrified Forest National Park is open at different hours during the year. Hour Changes (times are Mountain Standard year round-this area does not observe Daylight Savings): Park Road Hours: Aug 25-Sept 21 7am to 7pm Sept 22-Nov 2 7am-6pm Nov 3-Feb 22, 2014 8am-5pm Feb 23-Apr 5 7am-6:30pm Apr 6-May 3 7am-7pm May 4-May 31 7am-7:30pm June 1-July 26 7am-8pm July 27-Aug 23 7am-7:30pm Aug 24-Sept 20 7am-7pm Facilities Rainbow Forest Museum and the Painted Desert Visitor Center hours: Through Sept 7, 2013: 8am-6pm Starting Sept 8, 2013: 8am-5pm Painted Desert Inn is a National Historic Landmark with stunning views of the Painted Desert. 10 am-4 pm daily. The Painted Desert Rim Trail (0.5 mi/0.8 km one way) begins here. Two gift shops, a convenience store, a gas station, and restaurant are operated in the park by valued concessionaire Xanterra. Hours vary seasonally for these locations; call (928) 524-3756 for further information. Park and Visitor Center hours are subject to change. Note: Arizona does not observe Daylight Savings Time, remaining on Mountain Standard Time year-round. For example, in the summer months, during Daylight Savings Time, the time in Arizona and California is the same, with New Mexico and the Navajo Reservation one hour ahead.