Vedanga Jyotisha is an ancient Indian text that serves as a guide to astronomy and astrology. It is one of the six auxiliary disciplines, or Vedangas, associated with the Vedas, the sacred scriptures of Hinduism. The text focuses on the calculation of time, the positioning of celestial bodies, and their influence on earthly events. The primary purpose of Vedanga Jyotisha is to establish a calendar system that aligns with the lunar and solar cycles. It provides methods for determining auspicious times for rituals and ceremonies, emphasizing the importance of timing in Hindu practices.