[RugbyRene (Rene)]

Originally Posted by Merlin66

Rene,
There's a very good free software app that does it for you:
https://www.suncalc.org/#/-36.7798,1...1.19/14:57/1/3


Just enter your location and it will show you the time of solar noon transit and the length of shadow.
Very accurate and easy to use.

Thanks for that. Seems like a very good site. Just need to build my dowel contraption.

Rene