Showing 1-9 of 9 packages
A fast implementation of the VSOP87 theory in JavaScript.
Bundle for astronomical calculations such as position of moon, sun and planets, sunrise, sunset or solar eclipses. Most of the calculations are based on Jean Meeus 'Astronomical Algorithms' book and the VSOP87 theory.
A library for dates in the Badí' (or Bahá'í) calendar.
WebAssembly bindings for shaum - Islamic fasting rules engine
solar_terms by js
This package is created for calcultating main planets of solar system heliocentric ecliptic coordinate.
A library for dates in the Badí' (or Bahá'í) calendar. This version is adapted for updated libraries and fixed early date leap years issue
nutation by js
No-BS astrological calculations validated against NASA, JPL Horizons & Swiss Ephemeris. Birth charts, transits, progressions. Powers cosmolytic.com.