It's has part to do with your elevation.

Using your location of

Long. W88deg 25' 5.2"

> Lat. N43deg 2' 7.8"
> Elevation 280m

Which in the format I use

43.035500 N
88.418111 W

Guide at 0 m above sea level gives the following time for today ( May 22 )

sunrise 5:23 CDT
sunset 20:17 CDT

If I set elevation to 280 m above sea level, then I have

sunrise 5:20 CDT
sunset 20:21 CDT

So elevation makes a difference.

Kevin


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COSPAR Site #1775 Long 75.6910 W, Lat 44.6062 N, altitude 100 metres.

http://ca.geocities.com/kfetter

http://www.kfetter.100megs26.com/











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