moonbeams

Astronomical calculation library

v2.0.3 URL: https://unpkg.com/moonbeams@2.0.3/moonbeams.js

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javascript calendar astronomical calculations date season julian

meeussunmoon

Accurately calculate sunrise, sunset, and moon phases.

v3.1.0 URL: https://unpkg.com/meeussunmoon@3.1.0/dist/meeussunmoon.js

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sunrise sunset solar noon moon phases astronomical calculations

meeusjs

Implementation of the Astronomical Algorithms of Jean Meeus in Javascript

v1.0.4 URL: https://unpkg.com/meeusjs@1.0.4/meuusjs.1.0.3.min.js

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meeus solar lunar eclipse astronomy astronomical algorithms javascript julianday sunrise sunset moon

@postlight/seasons

Calculates the astronomical season for a given date or year

v1.0.0 URL: https://unpkg.com/@postlight/seasons@1.0.0/lib/cjs/index.js

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season astronomical calculations equinox solstice

convertjs

This is a simple conversion library

v0.0.5 URL: https://unpkg.com/convertjs@0.0.5/convert.js

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convert units metric astronomical data temperature angle time energy speed periodic