Claim: Bṛhaspati, the Indian name for Jupiter, has four sources that measure the estimated time per sidereal revolution.
Evidence: In ancient Hindu literature Brihaspati is a Vedic era sage who counsels the gods, while in some medieval texts the word refers to the largest planet of the solar system, Jupiter. Surya Siddhanta Siddhanta Shiromani Ptolemy 20th century calculations 4,332 days, 14 hours, 2 minutes, 8.6 seconds 4,332 days, 18 hours, 9 minutes, 10.5 seconds 4,332 days, 5 hours, 45 minutes, 43.7 seconds 4,332 days, 7 hours, 41 minutes, 44.4 seconds Estimated time per sidereal revolution Source Sanskrit texts: How many days Brhaspati (Jupiter) takes to complete an orbit: