How do I calculate solar altitude and hour angle from the surface of another planet?
I'm trying to calculate the solar declination at the solstices, solar altitude at solar noon, and hour angles at sunrise and sunset to build a standing stone calendar at latitude 53.8 degrees South.
Problem is: I have an axial tilt of 14.92 degrees, and I can't find any resources for calculating solar position from the surface of bodies that have different obliquities.
Other than my axial tilt, my planet's orbital characteristics are similar to Mars in some ways and Earth in others. It has a 24.02 hour day and orbits at 1.55 AU.
Given axial tilt, local solar day, and latitude of the observer, is this enough to determine hour angle h0 at the very least?
Thanks,
<3 R
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