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 Interior Museum is reopens June 12th with the permanent exhibition, People, Land & Water. Admission: The Interior Museum is open Monday to Friday 8:30am - 4:30pm. The Museum and public events are free of charge. Adults are required to show a photo ID to gain admittance to the Stewart Lee Udall Department of the Interior Building. Location: U.S. Department of the Interior Interior Museum 1849 C Street, NW Washington, DC 20240