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.
Museum Hours. The Museum and its exhibitions are open from 10 a.m. to 5:20 p.m. Spring Extended Hours: From March 27 through June 16, 2017, the Museum is open from 10 a.m. to 6:30 p.m. Monday through Friday, and 10 a.m. to 5:30 p.m. Saturday and Sunday. You must enter our Permanent Exhibition, the Holocaust, via the elevators near the Information Desk.