Vedanga Jyotisha

Vedanga Jyotisha (IAST: Vedāṅga Jyotiṣa), or Jyotishavedanga (Jyotiṣavedāṅga), is one of earliest known Indian texts on astrology (Jyotisha). The extant text is dated to the final centuries BCE, but it may be based on a tradition reaching back to about 700-600 BCE.

The text is foundational to Jyotisha, one of the six Vedanga disciplines. Its author is traditionally named as Lagadha.