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Birth chart equations

05 Mar 2026 | 11 min read

How to Calculate a Complete Birth Chart from Scratch (Lagna, D1, D9, Vimshottari) | A practical, equation-first guide to computing Lagna (Ascendant), Rasi (D1), Navamsa (D9), Nakshatra, and Vimshottari Dasha from birth date/time and location | astrology,julian-day, sidereal-time, lahiri-ayanamsa.

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Interactive Astrology Calculator – Learn How Lagnam, Rasi, Navamsam & Vimshottari Dasha-Bhukti Are Computed

05 Mar 2025 | 1 min read

Interactive educational tool to understand how Indian astrology charts are calculated. Explore heliocentric and geocentric planetary positions, Lagna computation, Rasi (D1), Navamsa (D9), Nakshatra, and Vimshottari Dasha with the mathematical basis behind each calculation.

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