Dating the Vedas by astronomy
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B. G. Tilak (1893) and Hermann Jacobi used star positions mentioned in Vedic texts to date them to about 4500 BCE. Most historians date the Rigveda to about 1500–1200 BCE.
Disputed: evidence incompleteMathematics & astronomy
Indian claim
Astronomical references in the Vedas, such as the spring equinox in Orion (Mrigashira) or the Pleiades (Krittika), prove the Vedas are thousands of years older than Western scholars said.
Evidence for the Indian claim
- Tilak's book 'The Orion' (1893) argued the Vedic hymns reflect the equinox in Orion, about 4500 BCE, and the Brahmanas the equinox in Krittika, about 2500 BCE.
- The German scholar Hermann Jacobi reached a similar early date independently in the same year.
- The Vedanga Jyotisha describes solstice positions that correspond to roughly 1400–1200 BCE.
Commonly credited to
Indologists such as Max Müller dated the Rigveda to around 1500–1200 BCE using language and historical evidence.
Evidence for the other claim
- The verses are short and open to more than one reading; critics such as Whitney and Thibaut found the evidence inconclusive.
- A reference may preserve an old tradition rather than date the text it appears in, and the present Vedanga Jyotisha text is dated later than its astronomy.
- Linguistic and archaeological evidence generally supports a later date for the Rigveda.
What historians and scientists say
Astronomical dating is a real method but the Vedic references are ambiguous. The question remains debated; most scholars favour c. 1500–1200 BCE for the Rigveda.