Open daily 8:30-6, Mar. 1 to mid-Nov.; 10-5, rest of year with extended hours on weekends and holidays. Guided 35-minute tours of the house depart throughout the day. Last tour begins 50 minutes before closing. Gardens and Grounds tours are given daily every hour 10-5, Mar.-Oct. Slavery at Monticello Tour departs daily on the hour 11-4, Apr.-Oct.; at noon and 2, rest of year. Family Friendly Tours are offered several times throughout the day, late Mar.-early Apr. and early June-early Sept. (except July 4); Sat.-Sun. 10-3, in Oct. Holiday hours vary. Closed Christmas. Phone ahead to confirm schedule.