Old Tucson will adopt a seasonal operating calendar beginning in June for the remainder of the year. Similar to theme parks throughout most of theU.S., Old Tucson will conduct full operations during peak outdoor seasons. OldTucsonis open daily from 10am to 6pm through April 29. Beginning in May, park hours will be 10am to 5pm on Fridays, Saturdays and Sundays as well as Memorial Day. From June through September, Old Tucson will be open by reservation only for groups interested in guided tours and private events such as weddings, corporate functions, and company picnics.