---
title: "How Ancient Indians Calculated the Speed of Light Thousands of Years Ago"  
description: "Did ancient Indians calculate the speed of light thousands of years ago? Discover how Vedic texts and scholars like Sayana estimated this scientific truth."  
author: "Khushi Singh"  
published: 2025-03-16  
canonical: https://yourviews.mindstick.com/story/4942/how-ancient-indians-calculated-the-speed-of-light-thousands-of-years-ago  
category: "indian history"  
tags: ["speed of light in Vedas", "Sayana speed of light", "Rigveda science", "ancient Indian discoveries", "Vedic physics", "Indian astronomy", "ancient science mysteries."]  
reading_time: 1 minute  

---

# How Ancient Indians Calculated the Speed of Light Thousands of Years Ago

![How Ancient Indians Calculated the Speed of Light Thousands of Years Ago](https://yourviews.mindstick.com/stories/450b6d0f-37c7-4097-b89b-115127084294/images/efec79a3-56b1-4a5c-9cc2-ebcd763ed602.jpeg) ![How Ancient Indians Calculated the Speed of Light Thousands of Years Ago](https://yourviews.mindstick.com/stories/450b6d0f-37c7-4097-b89b-115127084294/images/d5f03e84-a3e0-4f86-85f9-bc0ebb7f7459.jpeg) The Rigveda (written over 3,000 years ago) describes the speed of light in relation to the Sun’s rays, hinting at an advanced understanding of physics ![How Ancient Indians Calculated the Speed of Light Thousands of Years Ago](https://yourviews.mindstick.com/stories/450b6d0f-37c7-4097-b89b-115127084294/images/c194144e-c6dc-4da5-aa97-d27fa0289426.jpeg) In the 14th century, scholar Sayana analyzed Vedic texts & estimated the speed of light as 2202 yojanas per half-nimisha, which equals 299,792 km/sec. ![How Ancient Indians Calculated the Speed of Light Thousands of Years Ago](https://yourviews.mindstick.com/stories/450b6d0f-37c7-4097-b89b-115127084294/images/44551ac1-64b1-4f05-b4df-803460af07bf.jpeg) Ancient Indian sages relied on precise astronomical observations, mathematical calculations, and deep cosmic knowledge to derive such values. ![How Ancient Indians Calculated the Speed of Light Thousands of Years Ago](https://yourviews.mindstick.com/stories/450b6d0f-37c7-4097-b89b-115127084294/images/38dd3d1f-15e5-4c43-96ec-e1efdf6ee49f.jpeg) Scientists only confirmed the speed of light in the 17th century, yet ancient Indian texts had already hinted at it centuries earlier! ![How Ancient Indians Calculated the Speed of Light Thousands of Years Ago](https://yourviews.mindstick.com/stories/450b6d0f-37c7-4097-b89b-115127084294/images/e06e502e-0eb0-42e8-88ed-d0eab2f29742.jpeg) This discovery highlights the depth of knowledge in ancient India, proving that science and spirituality coexisted in remarkable ways!

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Original Source: https://yourviews.mindstick.com/story/4942/how-ancient-indians-calculated-the-speed-of-light-thousands-of-years-ago

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