HoraJnana is a professional astrological computing platform delivering real-time planetary Hora countdowns, complete Panchanga limbs, multi-style Kundali charts, and Muhurta timings — calculated with Swiss Ephemeris sub-arcsecond accuracy and zero cloud tracking.
Whether you prefer a native Android experience, a zero-install Progressive Web App for iPhone Safari and Desktop, or direct integration with our open-source calculation backend.
A high-fidelity Progressive Web Application designed with zero frontend frameworks and zero bloat. Engineered for Safari on iPhone, iPad, Chrome, and desktop browsers.
The native Android edition of HoraJnana, fully optimized for smartphones and tablets with high-performance rendering, offline storage, and home-screen widgets.
com.hora.jnana)
A Python and Swiss Ephemeris microservice providing accurate ephemerides calculations, Dasha hierarchy timelines, and astronomical coordinate transformations.
Crafted specifically for Vedic astrologers, researchers, and practitioners who require exact celestial timings and zero latency.
Real-time tracking of the active Hora with remaining seconds and minutes. Automatically triggers updates when the ruling planetary hour transitions.
Exact ending moments for Tithi, Nakshatra, Yoga, Karana, and Vara. Accompanied by full Vedic calendar elements: Samvatsara, Ayana, Rutu, Masa, and Paksha.
Toggle between South Indian, North Indian, and East Indian visual chart conventions. Explore planetary degrees, Moon Nakshatra, and retrograde indicators.
Hierarchical drill-down through Vimshottari Dasha periods: Mahadasha, Antardasha, and Pratyantardasha, with live balance calculations and breadcrumb navigation.
Accurate calculations for Rahu Kalam, Yamaganda, Gulika, and Abhijit Muhurta based on dynamic sunrise and sunset coordinates for the user's specific location.
Complete high-fidelity localization. Toggle instantly between English and Kannada (ಕನ್ನಡ) with authentic Vedic terminology rendered natively in Noto Sans Kannada.
Crafted with Google Material Design 3 guidelines for an uncluttered, distraction-free astrological study experience.
HoraJnana bridges thousands of years of classical Indian astronomical literature with modern computational accuracy and cryptography.
Powered by the ephemeris library developed by Astrodienst AG, based on NASA Jet Propulsion Laboratory (JPL) planetary models. Licensed under GNU AGPL v3.
Kundali birth files are encrypted on the client side using AES-GCM 256-bit keys. Your personal birth dates, times, and coordinates are never stored unencrypted.
Encrypted chart JSON files can be transferred seamlessly between the native Android app and the Web App with full bidirectional compatibility.
HoraJnana was built around the principle that astrological data and location coordinates are private. We comply strictly with Google API Services User Data Policy, including the Limited Use requirements.
We never sell or commercialize user data. All calculations and stored profiles belong solely to you.
Learn more about how HoraJnana handles calculations, data privacy, and multi-device access.
https://skanda-p-r.github.io/HoraJnana-Web-App/ in Safari on your iPhone or iPad, tap the Share button at the bottom, and select "Add to Home Screen". The app will appear on your iOS home screen and launch in standalone full-screen mode with safe-area support for Dynamic Island and notched devices.