Aspects of the History of Hindu Astronomy
Summary
Focusing on the evolution of Indian astronomy, this article traces the development of astronomical ideas from Vedic ritual to the classical Siddhānta period. The author discusses how early Vedic priests observed celestial phenomena for calendrical purposes, leading to the formulation of nakṣatras and preliminary calculations. The essay then examines the work of early astronomer‑mathematicians such as Āryabhaṭa, Varāhamihira and Bhāskara, explaining how they refined models for the motions of the sun, moon and planets. Greek and Babylonian influences are acknowledged, but the author emphasises indigenous innovations in trigonometry and time‑reckoning. The article also explores the astronomical chapters of the Purāṇas and the spread of astronomical literature to Southeast Asia. By reviewing primary texts and commentaries, the study highlights the interplay between astronomy and religious ritual and notes how astronomical knowledge informed calendar reform, astrology and navigation.
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Conclusion
The article demonstrates that Indian astronomy evolved through continuous refinement rather than wholesale adoption from abroad. While external influences were acknowledged, indigenous scholars made significant contributions to mathematical astronomy and calendrics. The author argues that an appreciation of these innovations is essential for understanding the intellectual history of South Asia.