Time users

[sandy.napoles at eccmg.cupet.cu]

Hello list, Iam using freeradius with Active directory. Everythings is ok.
but I need to put time users, example only connect at a specific time.
I try to put it in iptables rules, but when I put this rules nobody can
connect. example
$IPTABLES -A OUTPUT -d x.x.x.x -p tcp -m multiport --sports 1812,1813 -m
time --timestart 00:00 --timestop 20:00 --weekdays
Sun,Mon,Tue,Wed,Thu,Fri,Sat  -j ACCEPT

Thereis some file in freeradius that make it..???