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.
Free For more information visit the St. Louis University Museum of Art website. Visiting the St. Louis University Museum of Art Visiting Hours Wednesday-Sunday: 11 am - 4 pm Closed on national holidays There is no charge to visit the St. Louis University Museum of Art.