Sidereal is a JavaScript library designed for astronomical calculations.
This package for calculating sidereal time.
Accurate Vedic astrology calculations (Astronomia, sidereal ayanamsha, Panchang, GunMilan, Kundali).
Gets the local sidereal time at given a longitud and date
Calculation of GMST (Greenwich Mean Sidereal Time)
Sidereal-Ephemeris is a JavaScript library designed to handle ephemerides from the [JPL Solar System Dynamics Group](https://ssd.jpl.nasa.gov/).
Astronomical calculations + FITS file I/O - coordinate transforms, photometry, cosmology, dust extinction, sidereal time
Astronomical calculations + FITS file I/O - coordinate transforms, photometry, cosmology, dust extinction, sidereal time
Apparent Local Sidereal Time (ALST) calculation, written in ReScript. Consumable from both TypeScript and ReScript.
High-precision Swiss Ephemeris WebAssembly library for astronomical calculations in JavaScript
By **horoscope**, we're talking about the astrological **birth charts**. **Not** horoscope readings or interpretations.
Enhanced Swiss Ephemeris Bindings for Modern Node.js: Leveraging the latest Node.js features for precise astronomical calculations
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.
Swiss Ephemeris for TypeScript — high-precision astronomical calculations
Swiss Ephemeris with N-API
The package is for calculating diurnal parallax.
Implementation of the Astronomical Algorithms of Jean Meeus in Javascript
Calculate positions of the planets from an geocentric perspective, ASC, MC, houses and aspects providing date, time, and coordinates.
Beautiful Vedic (Jyotish) astrology chart component for SolidJS
Erina Sign Teller es una librería que provee datos sobre símbolos zodiacales en español.
Comprehensive Vedic astrology engine for Node.js — Panchang, birth charts (Kundli), Vimshottari Dasha, divisional charts, dosha analysis, and planetary remedies. Swiss Ephemeris precision, validated against Drik Panchang.
Celestial object catalog and observing session planner MCP server
Malayalam Panchangam - Accurate Hindu calendar with nakshathram, tithi, kollavarsham, sunrise/sunset, festivals & more. Pure JavaScript astronomical engine based on NASA/Moshier ephemeris.
Orbital mechanics and satellite mission analysis library, for NodeJS and the browser.
40+ ayanamsa (sidereal precession) systems for XALEN Ephemeris
A Multithreaded Redis clone written from scratch in Rust.
Vedic astrology computations — nakshatra, dasha, panchang, yoga, dosha, compatibility
A minimal and extensible configuration language for fallible humans working with physical systems.
A pure Rust implementation of the SGP4 algorithm for satellite propagation
18+ astrological house systems with polar region handling for XALEN Ephemeris
Notus Labs - RocksDb
Notus Labs - A Multithreaded Redis clone
Planetary position computation for XALEN Ephemeris — VSOP87 analytical + JPL DE support
Framework-agnostic ASCOM Alpaca protocol types and traits for Rust — all 10 device types, no HTTP framework required
Astronomy math algorithms for telescope control and sky transforms
Rust implementation of domain-specific geometrical operations for Bilby to mirror the functionality in bilby-cython using PyO3.