Does anyone know how to shorten the quarter lengths?

[aytball]

Does anyone know how to shorten the quarter lengths in the 360 version? I've looked everywhere for it but can't find it. I know it exists 'cos I did it before but my game didn't save. Help Please

[goh33ls]

Are you asking about offline or online?

[aytball]

Offline. Just can't find it anymore

[goh33ls]

Here ya go chief:
My Madden > Settings > Gameplay > Game rules