The Romaka Siddhanta (), literally "The Doctrine of the Romans", is one of the five siddhantas mentioned in Varahamihira's Panchasiddhantika which is an Indian astronomical treatise.
Romaka Siddhanta is based on the astronomical learning of Byzantine Rome. "Siddhanta" literally means "Doctrine" or "Tradition."
Content
It follows the Yavanajataka ("Natal Astrology of the Yavana (Greek)") as an example of the transmission of Greek and Roman astronomical knowledge (especially the Alexandrian school) to India during the first centuries of our era.
It is the only one of all Indian astronomical works which is based on the tropical system. It was considered one of "The Five Astronomical Canons" in India in the 5th century.
See also
Paulisa Siddhanta
Indian science and technology
Indian mathematics
Indian astronomy
Notes
References
Sarma, Nataraja (2000), "Diffusion of Astronomy in the Ancient World", Endeavour, 24 (2000): 157-164.