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AstralMath

Vedic (Jyotish)

The sidereal Indian system: 27 nakshatras, dasha timing, divisional charts and Guna Milan. Our deepest tradition today — the engine began here.

Sidereal · Lahiri ayanamsa, nakshatras, Vimshottari dasha

How the math differs

The Vedic system is sidereal: it measures longitudes against the fixed stars, not the moving equinox. To get there it subtracts an ayanamsa — the accumulated gap between the tropical and sidereal zodiacs, currently about 24° under the Lahiri (Chitrapaksha) definition AstralMath uses.

The ecliptic is then divided two ways at once: into 12 signs of 30°, and into 27 nakshatras of 13°20′ each, subdivided into four padas. The Moon’s nakshatra at birth seeds the entire timing system.

Timing runs on Vimshottari dasha — a 120-year cycle of planetary periods proportioned to the Moon’s exact position within its nakshatra, so the arithmetic is fixed by the ephemeris, not chosen.

What you can compute

Nakshatra & pada

Moon’s star and quarter to arc-second precision

Vimshottari dasha

Mahadasha / antardasha periods across the 120-year cycle

Guna Milan (Ashtakoota)

36-point compatibility scored kuta by kuta

Lahiri sidereal chart

Sign, house and planet positions after ayanamsa correction

Compute your chart in the Vedic system

Enter your birth details and get real positions by this tradition’s own rules — free, no sign-up, and nothing leaves your device.