Is Pregnancy Possible On Intake Of Nordette Post Unprotected Sex?

My boyfriend and I have sex last night at 6. The condom break ang he ejaculate inside me. Is taking nordette the effective way to prevent pregnancy? Is was 6day after my mens. It took me 13 hours to take nordette. What is the chance of me getting pregnant? And i am right that i was not feryile that day?