Speed of Light calculated in Vedas of Ancient India

Velocity of Light was calculated by Maxwell in 19th century but Speed of Light was actually determined accurately in Rig Veda thousands of years ago. It was further elaborated by Sayana in 14th century AD. Also Sun was described as a god riding on a chariot with seven horses of different colors. These are the 7 colors in VIBGYOR. Indian Almanacs calculated accurately the motion of planets, sunset, sunrise, eclipses etc without using telescopes.

The fourth verse of the Rigvedic hymn 1:50 (50th hymn in book 1 of rigveda) is as follows:

तरणिर्विश्वदर्शतो जयोतिष्क्र्दसि सूर्य | विश्वमा भासिरोचनम |

taraNir vishvadarshato jyotishkrdasi surya | vishvamaa bhaasirochanam ||

which means “Swift and all beautiful art thou, O Surya (Surya=Sun), maker of the light, Illuming all the radiant realm.”

Commenting on this verse in his Rigvedic commentary, Sayana who was a minister in the court of Bukka of the great Vijayanagar Empire of Karnataka in South India (in early 14th century) says:

tatha ca smaryate yojananam. sahasre dve dve sate dve ca yojane ekena nimishardhena kramaman.

which means “It is remembered here that Sun (light) traverses 2,202 yojanas in half a nimisha”

NOTE: Nimisharda= half of a nimisha In the vedas Yojana is a unit of distance and Nimisha is a unit of time. Unit of Time: Nimesa The Moksha dharma parva of Shanti Parva in Mahabharata describes Nimisha as follows: 15 Nimisha = 1 Kastha 30 Kashta = 1 Kala 30.3 Kala = 1 Muhurta 30 Muhurtas = 1 Diva-Ratri (Day-Night) We know Day-Night is 24 hours So we get 24 hours = 30 x 30.3 x 30 x 15 nimisha in other words 409050 nimisha We know 1 hour = 60 x 60 = 3600 seconds So 24 hours = 24 x 3600 seconds = 409050 nimisha 409050 nimesa = 86,400 seconds 1 nimesa = 0.2112 seconds (This is a recursive decimal! Wink of an eye=.2112 seconds!) 1/2 nimesa = 0.1056 seconds Unit of Distance: Yojana Yojana is defined in Chapter 6 of Book 1 of the ancient vedic text “Vishnu Purana” as follows

10 ParamAnus = 1 Parasúkshma 10 Parasúkshmas = 1 Trasarenu 10 Trasarenus = 1 Mahírajas (particle of dust) 10 Mahírajas= 1 Bálágra (hair’s point) 10 Bálágra = 1 Likhsha 10 Likhsha= 1 Yuka 10 Yukas = 1 Yavodara (heart of barley) 10 Yavodaras = 1 Yava (barley grain of middle size) 10 Yava = 1 Angula (1.89 cm or approx 3/4 inch) 6 fingers = 1 Pada (the breadth of it) 2 Padas = 1 Vitasti (span) 2 Vitasti = 1 Hasta (cubit) 4 Hastas = a Dhanu, a Danda, or pauruSa (a man’s height), or 2 Nárikás = 6 feet 2000 Dhanus = 1 Gavyuti (distance to which a cow’s call or lowing can be heard) = 12000 feet 4 Gavyutis = 1 Yojana = 9.09 miles

Calculation: So now we can calculate what is the value of the speed of light in modern units based on the value given as 2202 yojanas in 1/2 nimesa

= 2202 x 9.09 miles per 0.1056 seconds = 20016.18 miles per 0.1056 seconds = 189547 miles per second !! As per the modern science speed of light is 186000 miles per second !

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