Well, almost. You could also include Babylon 5, Stargate SG-1, Space 1999, among others. This is a highly customizable concept. But if you don't want to go through the work of building your own clock, you can buy this one from Etsy seller Trish Mercer. It comes with a key to decipher it if you are (to your justifiable embarrassment) struggling with some of the numbers.
-via Nerd Bastards