Library · Siddhanta
Sūryasiddhānta
सूर्यसिद्धान्त
- Author
- Anonymous; presented as revealed by the Sun
- Period
- An early version was summarised by Varahamihira (6th century); the extant text reflects later revision (dating debated)
- Tradition
- Siddhanta
Summary
The best-known Indian treatise on mathematical astronomy, giving the long time cycles, mean and true planetary motions, eclipses, conjunctions, instruments and cosmography. Many traditional panchangas long computed from its parameters. The surviving text is not identical to the version known to Varahamihira.
Structure
14 chapters of verse in the received text.
Where to read
The 1860 English translation by Ebenezer Burgess remains widely read; modern editions with notes are available. Read alongside a history of Indian astronomy for context.