Please note the following changes to our hours of operation as we commemorate the 25th anniversary of the 9/11 attacks. Thursday, September 10: The #911Museum will close at 3 p.m. Friday, September 11: The #911Museum will remain closed to the public all day so that 9/11 families may visit privately. The #911Memorial will be open to the public from 3 p.m. – 12 a.m. Saturday, September 12: The #911Museum will be open 9 a.m. – 7 p.m. (last admission 5:30 p.m.)