Libraries tagged by astronomical

A pure PHP astronomical engine: planetary and lunar ephemerides, fixed stars, eclipses, occultations and rise and set times, verified against JPL Horizons.

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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.

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Complete 100% 1:1 PHP FFI Wrapper for the Swiss Ephemeris C Library - Direct C function calls with zero abstraction for maximum astronomical precision

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This package will obtain information on Japanese public holidays based on the calendar information from the National Astronomical Observatory of Japan.

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A Laravel wrapper for the Swiss Ephemeris library, providing accurate astronomical and astrological calculations.

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A library to execute astronomical calculations

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A Bundle for displaying the zodiac for a Date

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A PHP library for converting dates between the Gregorian calendar and Julian dates, with support for time precision down to seconds. Ideal for date manipulations, calendar conversions, and astronomical calculations.

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This gets the moon phase data offered by the US Navy's Astronomical Applications API

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A Symfony bundle for converting distances between multiple units (metric, imperial, nautical, astronomical, and historical units)

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A Bundle for displaying the zodiac for a Date

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Accurate Solar Hijri (Jalali, Shamsi, Persian) calendar for PHP: astronomical leap years, Tehran time zone without DST, Persian parsing and formatting. Zero dependencies. Same API as the taqvim npm and PyPI packages.

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Time package for astronomical calculation with Cake\Chronos

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Omnilab VizieR: the CDS's library of published astronomical catalogues (Strasbourg) - its tables whose description holds a text, as datasets (id, catalogue, title, authors, rows), and the rows of a table around a point of the sky or an object, each column with its unit and description - through TAPVizieR in ADQL, no key needed.

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Omnilab SIMBAD: an astronomical object beyond the solar system by any of its identifiers (M31, Betelgeuse, HD 39801...) - its main identifier, object type, ICRS coordinates, proper motion, parallax, radial velocity and redshift, spectral and morphological types, magnitudes and other designations - and a search by identifier or name, through the TAP service of SIMBAD (CDS, Strasbourg) in ADQL, no key needed.

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