First off, I'm with you. I think kids need routine and structure, especially at night.
My question is, why is your husband doing this? Does he feel like he doesn't see you child enough during the day? Or is he trying to exert some sort of "control" over the child? Men don't usually do things like this without a reason. Are you at home with him during the day? If so, then just be straight with your husband. Tell him this is how you need it done so that your child will listen and follow directions during the day. If he is going against what you are saying at night, believe me, your child is picking up on that and will use it to create trouble.
If he just doesn't feel like he's getting enough time with him, then figure out a routine that you can both be happy with and stick to it. Maybe put him to bed a little later?
Sorry for your trouble.