Below are the daily operation hours. Please check the museum’s website for special holiday hours for holidays.

African American Civil War Memorial and Museum
Tuesday - Friday 10:00am to 6:30pm

The Hill Center at the Old Naval Hospital
Monday - Thursday: 10:00 a.m. - 7:00 pm

International Spy Museum
April 1 -16: 9:00am to 8:00pm
April 17- September 2: 9:00am to 7:00pm
September 3 - November 21: 10:00am to 6:00pm

National Gallery of Art
Sunday: from 11:00 am to 6:00 pm

National Geographic Museum
Daily: 10:00 am to 6:00 pm

National Museum of African Art
Daily: 10:00 am to 5:30 pm

National Museum of American History
Daily: 10 am to 5:30 pm

National Museum of Crime & Punishment
Sun-Thurs: Sept 5 - May 20 10:00am - 7:00pm
Fri-Sat: Sept 5 - May 20 10:00am - 8:00pm
Sundays: May 21 - Sept 4 10:00am - 7:00pm
Mon-Thurs: May 21 - Sept 4 9:00am - 7:00pm
Fri-Sat: May 21st - Sept 4 9:00am - 8:00pm

National Museum of Natural History
Daily: 10:00am to 5:30 pm
(Note: the museum will extend its hours to 7:30 pm on certain dates, showed as the following webpage http://www.mnh.si.edu/calEvents/hours.asp

Parish Gallery- Georgetown
Tuesday through Saturday: noon to 6 pm

The Phillips Collection
Tuesday to Saturday from 10 am - 5 pm,
with extended evening hours on Thursdays until 8:30 pm,
and on Sundays from 11 am - 6 pm

National Portrait Gallery/Smithsonian American Art Museum
11:30 am-7:00 pm daily