Good suggestion, and it wouldn't hurt us out here in the cornfield to have rooster crowing early, but I do not have a light timer. The other thing, my white pullets just started laying this Nov and I wanted to encourage it a little longer, just until prob Jan, then I will let them rest the remaining of the winter. The doms were laying in Sept but once it got cold in Oct they quit. They are in the coop pretty much all day anyway, and having the lights on the evening doesn't seem to disrupt them.