astronomia

An astronomical library

v4.1.1 URL: https://unpkg.com/astronomia@4.1.1/lib/index.cjs

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astronomy julian meeus planetposition

suncalc

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

v1.9.0 URL: https://unpkg.com/suncalc@1.9.0/suncalc.js

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sun astronomy math calculation sunrise sunset twilight moon illumination

astronomy-engine

Astronomy calculation for Sun, Moon, and planets.

v2.1.19 URL: https://unpkg.com/astronomy-engine@2.1.19/astronomy.js

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astronomy ephemeris planet sun moon solar system sunrise sunset equinox solstice constellation orbit

julian

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

v0.2.0 URL: https://unpkg.com/julian@0.2.0/index.js

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julian date conversion epoch time calendar astronomy

suncalc2

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

v1.8.1 URL: https://unpkg.com/suncalc2@1.8.1/suncalc2.js

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sun astronomy math calculation sunrise sunset twilight moon illumination