voynovia / SunMoonCalculator

A very simple Sun/Moon calculator without using JPARSEC library

SunMoonCalculator

A very simple Sun/Moon calculator without using JPARSEC library.

This is a Swift port of the excellent ephemerides (in Java) by Tomás Alonso Albi.

For specified observer date/time and location (Geodetic: longitude/latitude), following information is calculated:

• Sun
  • Rise, set, noon (transit) time
  • Azimuth, elevation and transit elevation angles
  • Distance
• Moon
  • Rise, set, transit time
  • Azimuth, elevation and transit elevation angles
  • Distance
  • Age
  • Moon illumination (percentage)
  • Moon position angle of axis, bright limb angle and paralactic angle
  • Moon phase

Usage

See example.swift.