प्रकाश की गति : ऋग्वेद में मोजूद हे | Speed of light in Rigveda-Post in HINDI

सनातन धर्म की विश्व् को देंन

प्रकाश की गति : ऋग्वेद में मोजूद हे | Speed of light in Rigveda

माना जाता है की आधुनिक काल में प्रकाश की गति की गणना Scotland के एक भोतिक विज्ञानी James Clerk Maxwell (13 June 1831 – 5 November 1879) ने की थी ।

जबकि आधुनिक समय में महर्षि सायण , जो वेदों के महान भाष्यकार थे , ने १४वीं सदी में प्रकाश की गति की गणना कर डाली थी जिसका आधार ऋग्वेद के प्रथम मंडल के ५ ० वें सूक्त का चोथा श्लोक था ।

तरणिर्विश्वदर्शतो ज्योतिष्कृदसि सूर्य ।
विश्वमा भासि रोचनम् ॥ ...ऋग्वेद १. ५ ० .४

अर्थात् हे सूर्य, तुम तीव्रगामी एवं सर्वसुन्दर तथा प्रकाश के दाता और जगत् को प्रकाशित करने वाले हो।

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

उपरोक्त श्लोक पर टिप्पणी/भाष्य करते हुए महर्षि सायण ने निम्न श्लोक प्रस्तुत किया

तथा च स्मर्यते योजनानां सहस्त्रं द्वे द्वे शते द्वे च योजने एकेन निमिषार्धेन क्रममाण नमोऽस्तुते॥
-सायण ऋग्वेद भाष्य १. ५ ० .४

अर्थात् आधे निमेष में 2202 योजन का मार्गक्रमण करने वाले प्रकाश तुम्हें नमस्कार है

[O light,] bow to you, you who traverse 2,202 yojanas in half a nimesha..
-Sage Sayana 14th AD

http://en.wikipedia.org/wiki/Sayana

yojana and nimesha are ancient unit of distance and time respectively.

उपरोक्त श्लोक से हमें प्रकाश के आधे निमिष में 2202 योजन चलने का पता चलता है अब समय की ईकाई निमिष तथा दुरी की ईकाई योजन को आधुनिक ईकाईयों में परिवर्तित कर सकते है ।

किन्तु उससे पूर्व प्राचीन समय व् दुरी की इन ईकाईयों के मान जानने होंगे .

निमेषे दश चाष्टौ च काष्ठा त्रिंशत्तु ताः कलाः |

त्रिंशत्कला मुहूर्तः स्यात् अहोरात्रं तु तावतः || ........मनुस्मृति 1-64

मनुस्मृति 1-64 के अनुसार :

पलक झपकने के समय को 1 निमिष कहा जाता है !

18 निमीष = 1 काष्ठ;
30 काष्ठ = 1 कला;
30 कला = 1 मुहूर्त;
30 मुहूर्त = 1 दिन व् रात (लगभग 24 घंटे )

As per Manusmriti 1/64 18 nimisha equals 1 kashta, 30 kashta equals 1 kala, 30 kala equals 1 muhurta, 30 muhurta equals 1 day+night

अतः एक दिन (24 घंटे) में निमिष हुए :

24 घंटे = 30*30*30*18= 486000 निमिष

hence, in 24 hours there are 486000 nimishas.

24 घंटे में सेकंड हुए = 24*60*60 = 86400 सेकंड

86400 सेकंड =486000 निमिष

अतः 1 सेकंड में निमिष हुए :

1 निमिष = 86400 /486000 = .17778 सेकंड

1/2 निमिष =.08889 सेकंड

in 1/2 nimisha approx .08889 seconds

अब योजन ज्ञान करना है , श्रीमद्भागवतम 3.30.24, 5.1.33, 5.20.43 आदि के अनुसार

1 योजन = 8 मील लगभग

2202 योजन = 8 * 2202 = 17616 मील

As per Shrimadbhagwatam 1 yojana equals to approx 8 miles.

सूर्य प्रकाश 1/2 (आधे) निमिष में 2202 योजन चलता है अर्थात

.08889 सेकंड में 17616 मील चलता है ।

.08889 सेकंड में प्रकाश की गति = 17616 मील

1 सेक में = 17616 / .08889 = 198177 मील लगभग

Speed of light in vedas 198177 miles per second approximately .

आज की प्रकाश गति गणना 186000 मील प्रति सेकंड लगभग

In morden science , its 186000 miles per second approximately.

http://en.wikipedia.org/wiki/Speed_of_light

Manisha Singh

Speed of Light in Rigveda

The first quantitative estimate of the speed of light is seen in Indian vedic scholar Sayana’s commentary on the Rig Veda. It says that sun light travels 2,202 yojanas in the time span of a nimisharda (half a nimisha). The yojana is an ancient unit of length. Arthasastra defines it as being equal to 8,000 dhanus, which is equivalent to 9.09 miles. A nimisha is an ancient unit of time that is equal to 16/75 seconds. Thus 2,202 yojanas in half a nimisha is equal to 189,547 miles per second after conversion. The modern estimate of the speed of light is 186,281.7 miles per second.

This velocity of Light was calculated by Maxwell in the 19th century, but its was actually determined accurately thousands of years before in the Rig Veda. It was further elaborated by Sayana in the 14th century AD in his commentaries on Rig Veda. Indian Almanacs have always calculated accurately the motion of planets, sunset, sunrise, eclipses, etc. without using telescopes or any other machinery.
It is to be noted that Bhatta Bhaskara (probably from the 10th century) made the same statement in his commentary on Taittiriya Brahmana, another Hindu Veda. He says this to be an old tradition.
The fourth verse of the Rigvedic hymn 1:50 (50th hymn in book 1 of rigveda) is as follows:
तरणिर्विश्वदर्शतो जयोतिष्क्र्दसि सूर्य |
विश्वमा भासिरोचनम |
taranirviśvadarśato jyotishkridasi sūrya | viśvamā bhāsirocanam ||
This means “Swift and all beautiful art thou, O Surya (Sun), maker of the light, illuminating all the radiant realm.”
Exlpaining this verse in his Rig Veda 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.
This 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 Vedic Time: Nimisha
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 = 409,050 nimisha
409,050 nimisha = 86,400 seconds
1 nimisha = 0.2112 seconds (This is a recursive decimal. The wink of an eye is equal to 0.2112 seconds.)
1/2 nimisha = 0.1056 seconds
Unit of Vedic 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
2,000 Dhanus = 1 Gavyuti (distance to which a cow’s call or lowing can be heard) = 12,000 feet
4 Gavyutis = 1 Yojana = 9.09 miles
Calculation of the Speed of Light from the Rig Veda:
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 nimisha
= 2,202 x 9.09 miles per 0.1056 seconds
= 20,016.18 miles per 0.1056 seconds
= 189,547 miles per second
As per the Rig Veda the speed of light is 189,547 miles per second.
As per modern science the speed of light is 186,000 miles per second!


From Indiadivine.org

SPEED OF LIGHT WAS CALCULATED BY INDIANS BEFORE ROEMER 1675

Ancient Vedic science “Nimisharda” is a phrase used in Indian languages of Sanskrit origin while referring to something that happens/moves instantly, similar to the ‘blink of an eye’. Nimisharda means half of a Nimesa, (Ardha is half).

In Sanskrit ‘Nimisha’ means ‘blink of an eye’ and Nimisharda implies within the blink of an eye. This phrase is commonly used to refer to instantaneous events.
Below is the mathematical calculations of a research done by S S De and P V Vartak on the speed of light calculated using the Rigvedic hymns and commentaries on them.
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, Illumining 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,
1 Danda, or paurusa (a man’s height),
or 2 Nárikás = 6 feet,
2000 Dhanus = 1 Gavyuti  = 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 ! And so I without the slightest doubt attribute the slight difference between the two values to our error in accurately translating from Vedic units to SI/CGS units. Note that we have approximated 1 Angula as exactly 3/4 inch. While the approximation is true, the Angula is not exactly 3/4 inch
http://arxiv.org/pdf/physics/9804020.pdf

SPEED OF LIGHT IN VEDAS

ancient sanskrit ‘Nimisha’ itself means ‘blink of an eye’ and that Nimisharda is used to represent how far light travels in half of the blink of an eye i.e. ‘within the blink of an eye’ !!
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 Paramáńus = 1 Parasúkshma
10 Parasúkshmas = 1 Trasareńu
10 Trasareńus = 1 Mahírajas (particle of dust)
10 Mahírajasas = 1 Bálágra (hair’s point)
10 Bálágras = 1 Likhyá
10 Likhyás= 1 Yúka
1o Yúkas = 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 Gavyúti (distance to which a cow’s call or lowing can be heard) = 12000 feet
4 Gavyútis = 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 !
And so I without the slightest doubt attribute the slight difference between the two values to our error in accurately translating from vedic units to SI/CGS units. Note that we have approximated 1 angula as exactly 3/4 inch. While the approximation is true, the angula is not exactly 3/4 inch.
NOTE: The original research in this direction was done by S.S. De and P.V. Vartak.

SPEED OF LIGHT ALREADY MEASURED IN ANCIENT INDIA

Sun and whole universe are round – Yajur Veda 20. 23

Shape of Earth is like an Oblate Spheroid. (Rig VedaXXX. IV.V)

Moon is enlightened by the sun – Yajur Veda 18, 20.

‘Earth is flattened at the poles’ (Markandeya Purana 54.12)

Blue Sky is Nothing but scattered sunlight (Markandeya Purana 78.8)

There are many suns – Rg Veda 9. 114. 3.

Seven colours in the sun – Atharva Veda 7. 107. 1.

Electromagnetic field, conversion of mass and energy – Rg 10. 72.

The gravitational effect of solar system makes the earth stable (R.V.1-103-2, 1-115-4 and 5-81-2).

The axle of the earth does not get rusted ,the earth continues to revolve on its axle (R.V. 1-164-29)

The Sun never sets or rises and it is the earth, which rotates (Sama-Ved 121).

The science of Time and its subtle nature is described in (R.V.1-92-12 and 1-95-8)

SPEED OF LIGHT PER HINDU/VEDAS.#SANATANDHARM, #HINDUISM, #SPEEDOFLIGHT

Speed of Light is calculated in Vedas more accurately than Einstein did

Ancient Vedic science “Nimisharda” is a phrase used in Indian languages of Sanskrit origin while referring to something that happens/moves instantly, similar to the ‘blink of an eye’. Nimisharda means half of a Nimesa, (Ardha is half). In Sanskrit ‘Nimisha’ means ‘blink of an eye’ and Nimisharda implies within the blink of an eye. This phrase is commonly used to refer to instantaneous events.
Below is the mathematical calculations of a research done by S S De and P V Vartak on the speed of light calculated using the Rigvedic hymns and commentaries on them.
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, Illumining 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,
1 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 ! And so I without the slightest doubt attribute the slight difference between the two values to our error in accurately translating from Vedic units to SI/CGS units. Note that we have approximated 1 Angula as exactly 3/4 inch. While the approximation is true, the Angula is not exactly 3/4 inch.

and in HANUMAN CHALISA 

source- http://colonp.in/post/20773048390/speed-of-light-is-calculated-in-vedas-more-accurately

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Speed of Light as in the Rig Veda.

Speed of Light as found in the Rig Veda.

“Sayana ,Sāyaṇācārya 1315- 1387) was an important commentator on the Vedas. He flourished under King Bukka I and his successor Harihara II,

in the Vijayanagar Empire of South India.

He was the son of Māyaṇa, and the pupil of Vishnu Sarvajna and of Samkarananda.

More than a hundred works are attributed to him, among which are commentaries on nearly all parts of the Veda; some were carried out by his pupils, and some were written in conjunction with his brother Mādhava or Vidyāraṇya-svāmin
.
Hs works were edited by Max Mueller.

Whale commenting on The Rig Veda, Sayana explains about the Speed/Velocity of Light’

“Regarding Speed of Light:

There are 2 quotes. I will try to reproduce as given in the book:

taraNirvishvadarshato jyotiShk^Ridasi sUrya | vishvamAbhAsi rochanam |

Oh Sun! (You) overwhelm all in speed, visible to all, source of light. (You) shine pervading the Universe.

tathA cha smaryata yojanAnAM sahasram dve dve shate dve cha yojane | ekena nimiShArdhena kramamANa namo&stu te ||


It is remembered (that) Salutations to Thee (sun), the traveller of 2.202 yojanas in half a nimiSha.
Source:

Rg-veda-samhitA, maNDalam 1, sUktam 50, mantraH 4 (6000 DCE) sAyanAchArya’s commentary (14th century AD)

“

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

तथा च स्मर्यते योजनानां सहस्त्रं द्वे द्वे शते द्वे च योजने एकेन निमिषार्धेन क्रममाण नमोऽस्तुते॥

“[O Sun,] bow to you, you who traverse 2,202 yojanas in half a nimesha.”.

Explaining this,

Vartak in his Scientific Knowledge in the Vedas (1995, p. 95).^[3]

• 1 yojana is said to comprise either 4 or 8 krosha (a cry or shout, or the range of the voice in calling); and 1 krosha (or goruta ~ as far as a cow’s lowing may be heard, or a bull’s roar) may represent either 1000 or 2000 daNDa (a rod or staff), and 1 danda represents 1 pauruSa (a man’s length) which equals 1 dhanvantara (bow-string) or dhanu (bow). 1 yojana measures either 4,000 or (more likely) 8,000 dhanus. Assuming that 1 paurusha is 6 ft long, then 1 yojana must represent a distance of about 14.6 km (or about 9 miles, as suggested by Monier-Williams).
• nimesa means shutting the eye or winking, and as a measure of time it is a wink of the eye or a moment. The Arthashastra (c. 300 BC) defines 1 nimesa as 1/360,000th of a day and night, i.e. 0.24 seconds.
• Given that 1 yojana is between 14.6 and 16.4 km, 2,202 yojanas must represent between 32,149 and 36,113 km. Half a nimesha is 0.12 seconds. Sayana thus gives the “speed of the Sun” as between 267,910 and 300,940 km/sec, i.e. the same order of magnitude as the speed of light at 299,792 km/sec.”(wiki)

. The units are well-known.

For example, the Indian epic “Mahabharata”, conservatively dated to 400 BC – 400 AD, defines 1 nimesha to be equal to 16/75.3 seconds; 1 yojana is about 9 miles.

This is the same as Modern Science on the Speed of Light: in fact more precise !

There s objection to this that Sayana says this about the movement of the Sun and not Light.

My point is that Hinduism speaks in allegories.

If they were speaking directly then with so much of calculations they would not be saying that the Sun has Seven Horses, which are the colors of
Light, VIBGYOR.

The Sun is an allegory for Light Energy( At the same time a Personal God, shall be posting later on this)

So Sayana was referring to Light.

What are the chances of Interpolations/Fraud?

“
Substituting in Sayana’s statement we get 186,536 miles per second. Unbelievable, you’d say! It cannot be the speed of light.

Maybe it refers to the speed of the sun in its supposed orbit around the earth.

But that places the orbit of the sun at a distance of over 2,550 million miles.

The correct value is only 93 million miles and until the time of Roemer the distance to the sun used to be taken to be less than 4 million miles. This interpretation takes us nowhere.
What about the possibility of fraud? Sayana’s statement was printed in 1890 in the famous edition of Rigveda edited by Max Muller, the German Sanskritist.

He claimed to have used several three or four hundred year old manuscripts of Sayana’s commentary, written much before the time of Roemer.

Is it possible that Muller was duped by an Indian correspondent who slipped in the line about the speed? Unlikely, because Sayana’s commentary is so well known that an interpolation would have been long discovered.

And soon after Muller’s “Rigveda” was published, someone would have claimed that it contained this particular “secret” knowledge.

The fact that the speed in the text corresponds to the speed of light was pointed out only recently by S.S. De and P.V. Vartak.

Also a copy of Sayana’s manuscript, dated 1395 AD, is available.

Further support for the genuineness of the figure in the ancient book comes from another old book, the Vayu Purana.

This is one of the earliest Puranas, considered to be at least 1,500 years old. (The same reference is to be found in the other Puranas as well.)
In Chapter 50 of this book, there is the statement that the sun moves 3.15 million yojanas in 48 minutes.

This corresponds to about 10,000 miles per second if considered as speed of light, and 135 million miles for the distance to the sun,

if considered as the speed of the sun. Sayana’s speed of light is exactly 18 times greater than this speed of the sun! Mere numerology?

For the rationalists these numbers are a coincidence.

Given the significance of these numbers, they’d look very carefully at the old manuscripts of Sayana’s commentary.

Citation.
http://www.hinduhistory.info/speed-of-light-discovery-by-vedic-scholar-sayana/

#Decoded Hinduism/Sanatan Dharma-Speed of Light discovery by Vedic Scholar Sayana.

SPEED OF LIGHT IS DESCRIBED IN ANCIENT INDIAN SCRIPTURES-


This is from old texts  book,"commentary on the Rigveda" by Sayana (c. 1315-1387), a minister in the court of King Bukka I of the Vijayanagar Empire in South India. In a hymn addressed to the sun, he says that it is ``remembered that the sun traverses 2,202 yojanas in half a nimesha.” This statement could either relate to the speed of the sun or to that of light. The units are well known. For example, the Indian epic “Mahabharata”, conservatively dated to 400 BC – 400 AD, (it could be >35000 yrs ago)defines 1 nimesha to be equal to 16/75.3 seconds; 1 yojana is about 9 miles. Substituting in Sayana’s statement we get 186,536 miles per second. Unbelievable, you’d say! It cannot be the speed of light. Maybe it refers to the speed of the sun in its supposed orbit around the earth. But that places the orbit of the sun at a distance of over 2,550 million miles. The correct value is only 93 million miles and until the time of Roemer the distance to the sun used to be taken to be less than 4 million miles. This interpretation takes us nowhere. Sayana’s statement was printed in 1890 in the famous edition of Rigveda edited by Max Muller, the German Sanskritist. He claimed to have used several three or four hundred year old manuscripts of Sayana’s commentary, written much before the time of Roemer. Is it possible that Muller was duped by an Indian correspondent who slipped in the line about the speed? Unlikely, because Sayana’s commentary is so well known that an interpolation would have been long discovered. And soon after Muller’s “Rigveda” was published, someone would have claimed that it contained this particular “secret” knowledge. The fact that the speed in the text corresponds to the speed of light was pointed out only recently by S.S. De and P.V. Vartak. Also a copy of Sayana’s manuscript, dated 1395 AD, is available. Further support for the genuineness of the figure in the ancient book comes from another old book, the Vayu Purana. This is one of the earliest Puranas, considered to be at least 1,500 years old. (The same reference is to be found in the other Puranas as well.) In Chapter 50 of this book, there is the statement that the sun moves 3.15 million yojanas in 48 minutes. This corresponds to about 10,000 miles per second if considered as speed of light, and 135 million miles for the distance to the sun, if considered as the speed of the sun. There are others who would say that consciousness, acting on itself can find universal knowledge. Look, they’d say, by examining biological cycles one can know the periods of the sun and the moon. So why shouldn’t it be possible to know other universal truths? They’d add that ancient texts speak — and this is true — of embryo transplants, multiple births from the same fetus, air and space travel, slowing or speeding of time, weapons that can destroy the entire world. They’d say that it is more than ancient science fiction, it shows that the human imagination can envision all that can happen. This brings us back to the question of whether the figure of 186,000 miles per second in Sayana’s book is a astonishing coincidence, an example of the powers of intuition, or a meaningless number. Notes: 1. The Rigvedic hymn number is 1.50. 2. 
References-
 1.http://www.ee.lsu.edu/kak/and then check the file speedlight.ps 
2.“The speed of light and Puranic cosmology” on the Los Alamos Physics Archive hysics/9804020
3.http://journalofcosmology.com/Contents3.html