Starting/stopping a service at a certian time

[xin]

Hi
Im concerdering starting a Direct Connect Hub, but I only want it to be up and running between lets say, 8am to 3pm on weekdays and 10am to 5pm on weekends?
how do I do this, I saw somthing about at, but thats only once a day.
n.b. My Server barely ever turns off

thanks

[cloverm]

You will have to set up a cron job to start and to stop the service.