A History of the Kerala School of Hindu Astronomy (in Perspective) c8.s2.6

c8.s2.6

‘Multiply the tabular cosine (*koṭijyā*) and sine (*bhujajyā*) of the moon-minus-node and the product by the tabular versine (*śara*) of the maximum latitude (*antya-kṣepa*) of the moon. Divide this by the tabular cosine of the latitude at the particular moment and the quotient is to be divided again by the tabular radius (*vyāsadala*). The result (will give the correction for longitude which) is to be added to or subtracted from the moon’s longitude, as the moon-minus-node is in an even or an odd quadrant, respectively. The True Moon measured on the ecliptic is thus got’.³