ndastro-api¶

API to serve data for ndastro-ui — a FastAPI-based backend providing Vedic astrology data and calculations.

Features¶

Planetary positions — sidereal planet positions using the Lahiri ayanamsa
Chart generation — South Indian chart SVG output
Nakshatra & Panchanga — nakshatra traits, panchanga elements, timing windows
Dasha systems — Vimsottari dasha periods and predictions
Yogas — Classical and extended planetary yoga detection
Ashtakavarga — Sarva and Bhinna ashtakavarga calculations with transit predictions
Avasthas — Age, alertness, mood and activity avastha analysis
Longevity — Maraka, Rudra Trishoola and Maheswara analysis
Muhurta — Durmuhurta, Varjyam, and Amrita Kala windows; auspicious date-range search across 70 life events using the classical 5-formula system (Formula 1–5) with Tara Bala, Chandra Ashtama, Disha Shool, combustion checks, Moon body-part rule, and per-hour Lagna windows
Prasna — Vedic horary astrology: predict what a person came to ask about before they speak, using Lagna, Moon, 7th lord, and planetary dignity at the exact moment of query
Location lookup — Geocode free-form place names to lat/lon/timezone via Nominatim with provider fallback and result caching
Shadbala & Vimshopaka — Planetary strength calculations
Multilingual — Full i18n support via Babel/FastAPI-Babel