Astronomy Packages

An astronomical library

A tiny JavaScript library for calculating sun/moon positions and phases.

Convert between Date object and Julian dates used in astronomy and history

A tiny JavaScript library for calculating sun/moon positions and phases.

An <input type=range> that steps up and down on click.

Astronomical calculations for planetary positions, moon phases, eclipses, rise, transit, and set times, and more.

Swiss Ephemeris binding for node.js

Astronomical Algorithms for node.js

Implementation of the Astronomical Algorithms of Jean Meeus 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.

Date/time, IANA timezones, leap seconds, TAI/UTC conversions, calendar with settable Julian/Gregorian switchover

AladinLite module

Astronomy calculation for Sun, Moon, and planets.

Swiss Ephemeris binding for node.js

Swisseph bindings for Node.js

A star map with D3.js

EDF Tempo information for Domoja from https://particulier.edf.fr/fr/accueil/contrat-et-conso/options/ejp.html

Astronomy source for Domoja from http://www.proxiti.info/

Javascript implementation of Moshier's ephemeris calculations for sun, planets, comets, asteroids and stars.

Astronomical calculations for planetary positions, moon phases, eclipses, rise, transit, and set times, and more.