### The Equation of Bhuja

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*Bhujamsa*is the degrees traversed by the planet in the Zodiac. In the mighty 360 degree Circle, the planet may be anywhere and its position is the mean longitude of the planet. The planet actually is in the ellipse and its position is the true longitude of the planet.

If the planet is say at 42 degrees, then the Equation of Bhuja states that its

*Bhujamsa*is 42 degrees. That is in the first

*Oja Pada*, in the first quarter of 0-90 degrees, the Bhujamsa is the same.

If the planet is say at 110 degrees, then the Equation of Bhuja states that its

*Bhujamsa*is 70 degrees. That is in the first

*Yugma Pada*, in the second quarter of 90-180 degrees, the Bhujamsa is 180 - bhuja.

If the planet is say at 200 degrees, then the Equation of Bhuja states that its

*Bhujamsa*is 20 degrees. That is in the second

*Oja Pada*, in the third quarter of 180-270 degrees, the Bhujamsa is bhuja - 180.

If the planet is say at 300 degrees, then the Equation of Bhuja states that its

*Bhujamsa*is 60 degrees. That is in the second

*Yugma Pada*, in the fourth quarter of 270-360 degrees, the Bhujamsa is 360 - bhuja.

*Bhuja Jya*is Sin ( M ) and is the sine value of the Kendra.

*Bhuja Jya*is used in the calculation of Epicycles, in calculating the Equation of Center for Moon, Jupiter and Saturn.

The Manda Phala, the Equation of Center is given by the formula

Equation of Center, Mandaphala =Circumference of the Epicycle ( Parama Phala ) * Manda Kendra Jya ( Sin M ).

This is the equation used in calculating the 14 perturbations of the Moon, the five of Jupiter and the six of Saturn.

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