@tubular/time

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

v3.9.2 URL: https://unpkg.com/@tubular/time@3.9.2/dist/cjs/index.js

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@cityssm/modern-julian-date

Converts a regular JavaScript date to the modern Julian date format YYYYDDD.

v1.0.1 URL: https://unpkg.com/@cityssm/modern-julian-date@1.0.1/index.js

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julian date format banking modern-julian yyyyddd yyddd

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

julian.js

JD for the UTC OR DT

v2.0.0 URL: https://unpkg.com/julian.js@2.0.0/lib/index.js

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tao taogram jd jde julian julian Day dynamic dynamic time utc ut1 ut time node date js javascript

dodod

US DoD (specifically Navy) Ordinal Date (aka Julian Date) converter

v1.0.11 URL: https://unpkg.com/dodod@1.0.11/dist/dodod.js

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dod navy julian day date ordinal