How ironic...I'm currently snacking on Ritz Crisps. Now if I only had some EZ-Cheese... 
 
 
Take your ship/fleet speed and divide it into 30. Your ship will move every 5 days, for example, at speed 6. What I'm not sure of is if it would move on 1,6,11,16,21,and 26, or 5,10,15,20,25, and 30.
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				The Unpronounceable Krsqk
"Well, sir, at the moment my left processor doesn't know what my right is doing." - 
Freefall