Vedic Astrology Calculators

Companion tools for An Illustrated Guide of Astrology. Lahiri sidereal baseline — no full horoscope required. Educational use; verify against AstroSage.

Tropical → Sidereal

Tropical → Sidereal (Lahiri) Converter

Educational tool aligned with this book's Lahiri sidereal baseline. Verify against AstroSage or JagannathaHora.

QR code to interactive calculatorsLive, interactive version: https://horoscopeguide.nasneeraj.com/calculators

Ayanamsa by Year

Lahiri Ayanamsa by Year

Educational tool aligned with this book's Lahiri sidereal baseline. Verify against AstroSage or JagannathaHora.

QR code to interactive calculatorsLive, interactive version: https://horoscopeguide.nasneeraj.com/calculators

Planet Dignity

Planet Dignity Lookup

Educational tool aligned with this book's Lahiri sidereal baseline. Verify against AstroSage or JagannathaHora.

QR code to interactive calculatorsLive, interactive version: https://horoscopeguide.nasneeraj.com/calculators

Combustion Checker

Combustion (Asta) Checker

Educational tool aligned with this book's Lahiri sidereal baseline. Verify against AstroSage or JagannathaHora.

QR code to interactive calculatorsLive, interactive version: https://horoscopeguide.nasneeraj.com/calculators

House Mapper

Whole-Sign House Mapper

Educational tool aligned with this book's Lahiri sidereal baseline. Verify against AstroSage or JagannathaHora.

QR code to interactive calculatorsLive, interactive version: https://horoscopeguide.nasneeraj.com/calculators

Nakshatra & Pada

Nakshatra & Pada Finder

Enter sidereal longitude (0–360°) or sign + degree.

Educational tool aligned with this book's Lahiri sidereal baseline. Verify against AstroSage or JagannathaHora.

QR code to interactive calculatorsLive, interactive version: https://horoscopeguide.nasneeraj.com/calculators

Dasha Timeline

Vimshottari Mahadasha Timeline

Moon sidereal position + birth date → Mahadasha dates.

Educational tool aligned with this book's Lahiri sidereal baseline. Verify against AstroSage or JagannathaHora.

QR code to interactive calculatorsLive, interactive version: https://horoscopeguide.nasneeraj.com/calculators

Antardasha Splitter

Antardasha (Sub-period) Splitter

Educational tool aligned with this book's Lahiri sidereal baseline. Verify against AstroSage or JagannathaHora.

QR code to interactive calculatorsLive, interactive version: https://horoscopeguide.nasneeraj.com/calculators

Sade Sati Phase

Sade Sati Phase Checker

Saturn transit baseline: Pisces (2026, per this book).

Educational tool aligned with this book's Lahiri sidereal baseline. Verify against AstroSage or JagannathaHora.

QR code to interactive calculatorsLive, interactive version: https://horoscopeguide.nasneeraj.com/calculators

Remedy Lookup

Gemstone, Mantra & Weekday Lookup

Educational tool aligned with this book's Lahiri sidereal baseline. Verify against AstroSage or JagannathaHora.

QR code to interactive calculatorsLive, interactive version: https://horoscopeguide.nasneeraj.com/calculators

Dasha × Transit Event Window

Dasha × Transit Event-Window Finder

Dasha theme houses ∩ transit houses = event window. Use Lagna/Ascendant from D1, Mahadasha-Antardasha from the Vimshottari table, and Saturn/Jupiter/Rahu signs from the current Gochar/transit chart. Add occupied houses for the dasha lords in "Also-active houses"; this is also where you enter Rahu/Ketu house activation.

Educational tool aligned with this book's Lahiri sidereal baseline. Verify against AstroSage or JagannathaHora.

QR code to interactive calculatorsLive, interactive version: https://horoscopeguide.nasneeraj.com/calculators