More than likely it'll get capped.
I'd send an email to the tutor, and plead a case. The worse that could happen is that your tutor will say no. However, the best that could happen is that your tutor may accept it as an on time submission, using their discretion. Of course your timing of submitting it nearly an hour late won't help your cause.
Just try. But learn for next time. And work extra hard on your other assignments to compensate.