… September 11, 2001, is a Tuesday. At 8:46 a.m. and 9:03 a.m., two hijacked planes fly into the towers of the World … a.m. (the attack on the World Trade Center North Tower); 9:03 a.m. (World Trade Center South Tower); 9:37 a.m. (the crash of Flight 77 at the Pentagon); and 10:03 a.m. (the crash of Flight 93 in Somerset County, …