Working hours:

Mon, Wed, Thu, Fri, Sat: from 10 a.m. to 6 p.m., ticket office is open till 5 p.m.
Sun: from 11 a.m. to 8 p.m., ticket office is open till 7 p.m.
New exhibition hall: from 11 a.m. to 7 p.m., ticket office is open till 6 p.m.