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Q&A

How to calculate hour angle of a moon?

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I am trying to construct a standing stone calendar for my world Jasmi, located at latitude 53.8 degrees South. To do this, I need the hour angle of moonrise and moonset for my world. The problem is that I have no idea how to calculate the hour angle of the Earth's moon, much less the hour angle of an exoplanet's moon from that planet.

Given planetary obliquity 14.92 degrees, local solar time of 24.02 Earth hours, and a lunar orbital period of 32.002 Earth days, how can I find the hour angle h0, or the angle of moonrise and moonset, for each of the four phases from a latitude of 53.8 degrees South? Is this possible or do I need more information?

ETA: To make it easier on all of us, I've made the descending node of my moon occur at new moon and the ascending node occur at full moon.

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This post was sourced from https://worldbuilding.stackexchange.com/q/106085. It is licensed under CC BY-SA 3.0.

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