Mountain Standard Time. Almost all of Arizona is on the same time zone, Mountain Standard Time (MST), all year. The time zone has a UTC offset of minus 7 hours (UTC-7). It is also known as Mountain Time, but that term refers both to standard time and the time zone which is elsewhere used during DST: Mountain Daylight Time (MDT).
The museum is closed on these holidays: New Yearâs Day, July 4, Thanksgiving, and Christmas. Please note that the museum's grounds are open 7 a.m. to 7 p.m. during Daylight Saving Time, and 7 a.m. to 6 p.m. during Standard Time. McNay Art Museum Admission Prices.
The museum is open at 9:00 a.m. with the first theatre entrance at 9:30 a.m. The last entrance into the museum is at 4:00 p.m. and the last theatre entrance at 4:30 p.m.The box office opens daily at 8:30 a.m. The Petersen House is open daily from 9:30 a.m. to 5:30 p.m. Tickets are required for entrance into Ford's Theatre and the Petersen House. Tickets: Admission to Ford's Theatre is free.