On 1/19/14 12:20 PM, David J Taylor wrote:
From: Jim Lux
http://www.wsanford.com/~wsanford/exo/sundials/equation_of_time.html
5 Jan 5.2 minutes
6 Jan 5.7 minutes
30 seconds in a day..
The total variation over the year is +/- 15 minutes, but the derivative
is a lot bigger at some times of the year (now)
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Higher than I expected from a quick look at the graph. I had 17 minutes
total variation in 6 months in my mind!
So did I until I started coding it up...
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