A contractor takes his test on Jan. 17,1996 and fails, he makes his second attempt on Feb. 20,1996 and fails. He makes a third attempt on Sept. 11,1996. When is his next possible test date?

A contractor takes his test on Jan. 17,1996 and fails, he makes his second attempt on Feb. 20,1996 and fails. He makes a third attempt on Sept. 11,1996. When is his next possible test date?