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

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

lunarphase-js

Calculate phase of the moon using Julian date

v2.0.3 URL: https://unpkg.com/lunarphase-js@2.0.3/dist/index.cjs.js

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astronomy moon lunar phase julian

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

@tubular/time

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

v3.10.3 URL: https://unpkg.com/@tubular/time@3.10.3/dist/index.min.cjs

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astronomy calendar date gregorian iana julian leap second moment olson tdt tai time time zone timezone tzdata zoneinfo