i wanna allow few clients to connect only after 9pm to 9 am?

hello …i hav onnected a omni wid a mikrotik(532+R32), this miktoik is connected to a bandwidth managment router/gateway…my clients are connected through a static IP,been generated by this bandwidth router/gateway…now i hav applied mac address filtering in my mikrotik(AP).. now i want to allow some mac address to get associted wid my mikrotik only after 9 pm and then these mac address will get dissasociated automatically as soon as the needle in the watch hit 9 AM. is there any method to do this..and yes…i also want that on every “sunday” these time limted users can able to connect on sunday too…hope i will get the solution wid u guys..
thx in advance..