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Donald,

I think I found the website for you:

https://gml.noaa.gov/grad/solcalc/

Choose your location by dragging the red pin to your location. You should see the location details appear below. Then go to the bottom of the page and there is a green button labeled "Create Sunrise/Sunset Tables for the Year".

This opens a new window with those tables. The local noon tables are at the third table down.

Cheers
Hank de Wit

On 16/01/2025 12:53 pm, Donald Christensen wrote:

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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