Plymouth | Rensselaer Polytechnic Institute | Plymouth Argyle F.C. | Hong Kong Polytechnic University | Plymouth Colony | Plymouth, Massachusetts | Plymouth Brethren | Polytechnic University of the Philippines | California State Polytechnic University, Pomona | Polytechnic University of Catalonia | New Plymouth | Plymouth Rock | Worcester Polytechnic Institute | Polytechnic University of Valencia | Plymouth, Michigan | Central Park, Plymouth | William Bradford (Plymouth governor) | Plymouth Prowler | Long Beach Polytechnic High School | California Polytechnic State University | Union Street, Plymouth | Polytechnic University of Turin | polytechnic (Portugal) | Plymouth Sound | Plymouth, Pennsylvania | Plymouth, New Hampshire | Plymouth, Minnesota | Plymouth Meeting, Pennsylvania | Plymouth Albion R.F.C. | Pilgrim (Plymouth Colony) |
Day studied Business Studies at Plymouth Polytechnic (UK) and in 1978, Day entered the computer industry as a trainee sales and support executive with Burroughs in England.