Yep - a five-day weekend of sorts. I think that was when the statue of one of their biggies was transported from the temple to Pharoah's palace for an annual rite of renewal or some noise. I was wondering about the calculations myself... even in an elliptical orbit, 5 days of slowdown over a mere 2700 years is kinda weird, especially when the Earth has been doing this for 5bn years. At that rate, we'd be nuclear charcoal in less than a million years (Newton's 2nd law or 1st, I forget which. The 3rd law kicks in only after we fall into the Heliosphere :p ) /P