वैदिक ग्रंथालय • Vedic Library

Understand the instrument before you use it

Deterministic Vedic astronomy explained plainly — no mystery, no fear-marketing. Every guide links to the live tool that computes it.

Vedic Science
What is Lahiri Ayanamsha? Sidereal vs Tropical in Vedic Astrology

Why Indian astrology uses the sidereal zodiac, what the ayanamsha correction is, and how Chitra Paksha (Lahiri) is computed.

Vedic Science
Vimshottari Dasha Explained — Mahadasha, Antardasha, Pratyantardasha

The 120-year planetary period system used to time life events, computed from the Moon's natal nakshatra.

Vedic Science
The 27 Nakshatras — Moon Mansions of Vedic Astrology

Each nakshatra is a 13°20' lunar mansion with a deity, symbol and ruler. Know the 27 stars, their padas, and what your Janma Nakshatra says.

Panchang
Rahu Kaal, Yamaganda & Abhijit — the daily avoid/act windows

The eight-fold division of the day into hora-like segments, which segment belongs to Rahu each weekday, and the one window that is universally auspicious.

Relationships
Mangal Dosh — Mars in houses 1, 2, 4, 7, 8, 12 and classical mitigations

What Mangal Dosh actually means, the criteria from Lagna and Moon, why it is not cancellation, and the classical mitigations used in marriage matching.

Panchang
Panchak & Rikta Tithis — the calendar cautions Indians grew up with

Why the Moon in the last five nakshatras suspends certain work, and why the 4th, 9th and 14th lunar days are called Rikta.

Relationships
Kundli Milan Guide — the 8 Kootas and what 36 points really mean

Varna, Vashya, Tara, Yoni, Graha Maitri, Gana, Bhakoot, Nadi — what each koota scores and what a "18 out of 36" actually tells a couple.

Muhurat
Muhurat Shastra — why "a good date" is not a generic green tick

Electional astrology: how Lagna auspiciousness, Vedha, tithi, nakshatra and the personal chart combine to make a real Muhurat.

Kashi
Dev Deepawali — the festival of a million diyas on Kashi's ghats

Why Varanasi celebrates Kartik Purnima as Dev Deepawali, what happens on the 84 ghats, and the 2026 date and timing.