The DHS has announced their 2017 summer hours:
Office and Museum: Tuesday – Friday, 9:00 am – 4:00 pm
Library and Archives: Tuesday and Thursday, 9:00 am – 4:00 pm by appointment
Museum, Library, and Archives: Even dated Saturdays: 1:00 pm – 4:00 pm
July 4th: CLOSED
Saturday, July 22: CLOSED
Saturday, September 2: CLOSED