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.
About the McNay. The McNay Art Museum, located in San Antonio and named for founder Marion Koogler McNay, is the first museum of modern art in Texas. Becoming the McNay. Ohio-born heiress Marion Koogler first visited San Antonio in 1918, shortly after her marriage to Sergeant Don Denton McNay, who was called to active duty in Laredo, Texas.