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--- Begin Message ---Hello Donald: I always used the nice program made by Piers Nicholson (I think). It’s easy to use and will give you the data you said you need. Hope this helps, http://www.solar-noon.com/ John Carmichael John L. Carmichael Sundial Sculptures 925 E. Foothills Dr. Tucson AZ 85718-4716 USA Tel: 520-6961709 Email: <mailto:jlcarmich...@comcast.net> jlcarmich...@comcast.net Sundial Sculptures: <http://www.sundialsculptures.com/> http://www.sundialsculptures.com From: sundial [mailto:sundial-boun...@uni-koeln.de] On Behalf Of Donald Christensen Sent: Wednesday, January 15, 2025 7:24 PM To: Sundial mailing list <sundial@uni-koeln.de> Subject: Find true north Years ago I wrote a program to find the true north. It has since been corrupted and I have to make a new one. My notes have been lost as well so I have to research how to again In my old program I inputted the longitude and the standard meridian. It then calculates the difference. It also looks up the equation of time and adjusts for this. It then prints out a yearly calendar. Example On this certain day and month, the sun will be directly overhead at 11:23:17. However, on this certain day and month, the sun will be directly overhead at 1:13:25 Will you help find the math and an eot chart? Also, Is there a website that does this already? When I write the program I want to test it for accuracy. Cheers Donald Christensen 0467 332 227 If you focus on what you lack, you'll lose what you have. If you focus on what you have, you gain what you lack.
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