astronomy-calculator

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oddurs / starward

An educational astronomy calculation toolkit with a soul. Show your work with --verbose mode. Sun/Moon positions, rise/set times, twilight, phases, coordinate transforms, Julian dates, and visibility planning. Pure Python, no compiled dependencies.

python cli astronomy coordinate-systems visibility educational ephemeris julian-date sidereal-time celestial-mechanics moon-phases sun-moon astronomy-calculator rise-set

Updated Feb 5, 2026
Python

Hariprajwal / Ekadashi-reminder

Star

Ekadashi API & Web Calendar 🕉️. An astronomical calculator for accurate Ekadashi fasting dates using Sun-Moon longitude and the Arunodaya rule. Includes Telegram bot and REST API

telegram-bot hindu-calendar fastapi panchang astronomy-calculator ekadashi ekadashi-api tithi-calculator iskcon-calendar

Updated Apr 27, 2026
HTML

MiqueiasCampelo / starward

Star

🌌 Discover an educational astronomy toolkit that reveals calculations, enhancing learning through transparent steps in every computation.

python cli typescript simulator astronomy coordinate-systems visibility educational larp sbs starship-bridge-simulator celestial-mechanics genshin honkai-impact starship-engine astronomy-calculator

Updated May 8, 2026
Python

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