Is Shanghai Museum open on a Sunday ?

Hello TCG !

I will be staying at Shanghai Classical Hotel on 19th May.
& I wish to go to Shanghai Museum on 23th May(sunday )

Question 1: Is Shanghai Museum open on a Sunday ?
Question 2: How far is my hotel to this Museum ? km ? how do I get there by train or bus ? Or can I walk there ? how long would it take, mins. ?

thank you for your kind help.
Mr. Low
singapore