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 Saving):
Park Road Hours:
Jan 1-Feb 21, 2015 8am-5pm
Feb 22-Apr 4, 2015 7am-6:30pm
Apr 5-May 2, 2015 7am-7pm
May 3-May 30, 2015 7am-7:30pm
May 31-July 25, 2015 7am-8pm
July 26-Aug 22, 2015 7am-7:30pm
Aug 23-Sept 19, 2015 7am-7pm
Sept 20-Oct 31, 2015 7am to 6pm
Nov 1-Dec 31, 2015 8am to 5pm
Painted Desert Visitor Center hours:
Rainbow Forest Museum
Painted Desert Inn is a National Historic Landmark with stunning views of the Painted Desert. Currently 9am-5pm 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 Saving Time, remaining on Mountain Standard Time year-round. For example, in the summer months, during Daylight Saving Time, the time in Arizona and California is the same, with New Mexico and the Navajo Reservation one hour ahead.