This is a Javascript program to calculate the circumstances of a solar eclipse using methods described in the Surya Siddhanta (from Translation of the Surya-Siddhanta, a text-book of Hindu astronomy; with notes, and an appendix. by Ebenezer Burgess, 1850, John Wiley, New York).



Year Month Day

Julian date = , Hindu day count =

Longitude that Moon is behind the Sun on beginning of that day =
True Longitude of Moon at conjuction =
Time of day of Conjunction =
Eclipe magnitude = , Gamma =
Longitude between conjunction and ascending node of Moon =

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