Way to force reboot at midnight?

From:	"C. Andrew Zook" <andrewzook at pdqlocks dot com>
To:	m0n0wall at lists dot m0n0 dot ch
Subject:	Way to force reboot at midnight?
Date:	Wed, 12 Apr 2006 14:17:53 -0400

Hi all,

I am looking for a way to force a reboot at a certain time. Any idea how 
to do this?

Thanks
Andy