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
Open 8am-5pm year round, with extended hours as staffing permits.
On Sunday, June 17 the park will be opened 7am-6pm, including the visitor centers. The Painted Desert Inn will be open 9am-4pm. The Inn will also be partially closed due to maintenance in June.
Visitor Centers Hours
Painted Desert Visitor Center and Rainbow Forest Museum & Visitor Center
Open 8am-5pm year round, with extended hours as staffing permits. On Sunday, June 17 the park will be opened 7am-6pm.
Painted Desert Inn National Historic Landmark Hours
Daily 9am to 4:30pm
On Sunday, June 17 the inn will be opened 9am-4pm.
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.