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ravi singh· 5 years ago
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For what purpose jantar mantar (India) was built?

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Answered on06/13/26

Jantar Mantar was built to study and measure the movements of celestial bodies such as the Sun, Moon, planets, and stars. The thing is, before modern telescopes and advanced technology became common, astronomers used large instruments like those at Jantar Mantar to make accurate astronomical observations.

Who Built It and When

Jantar Mantar was built by Maharaja Sawai Jai Singh II in the early 18th century. He had a deep interest in astronomy and mathematics and wanted to improve the accuracy of astronomical calculations.

To be honest, he was not satisfied with the astronomical tables available at that time, so he commissioned the construction of several observatories across India. The most famous Jantar Mantar is located in Jaipur, although similar observatories were also built in cities such as Delhi, Ujjain, Varanasi, and Mathura.

How It Was Used

The observatory contains several large astronomical instruments designed for specific purposes. These instruments were used to:

  • Measure time accurately

  • Track the movement of the Sun and planets

  • Predict eclipses

  • Determine celestial coordinates

  • Study astronomical events

I think what makes Jantar Mantar fascinating is that these calculations were performed using massive stone and masonry structures rather than modern electronic equipment.

Historical Significance

Jantar Mantar is considered one of the greatest achievements in the history of Indian astronomy. It reflects the scientific knowledge, mathematical understanding, and engineering skills of that period.

The thing is, it was not built for decoration or tourism. It was created as a working scientific observatory where astronomers could make precise observations of the sky. Even today, it stands as evidence of India's rich contribution to astronomy and scientific research.

So, if you ask me for what purpose Jantar Mantar was built, my answer would be that it was built primarily for astronomical observations and calculations. It helped scholars study celestial bodies, measure time, predict astronomical events, and improve the accuracy of scientific knowledge during the 18th century.

Must Read: Name some historical places in India.

Tara Verma
Tara Verma
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Tara Verma is a practising teacher and education content writer with over 10 years of classroom experience across primary and secondary levels. She holds a Master's degree in Education (M.Ed.) from Delhi University and a Bachelor of Education (B.Ed.) from Jamia Millia Islamia — qualifications that ground her writing in both pedagogical theory and the day-to-day realities of teaching in India. Her content covers exam preparation strategies, learning methodologies, curriculum guidance, student mental health, career counselling for students, and the evolving state of school and higher education in India. Her work has appeared on platforms including TeacherVision India, Jagran Josh, and Careers360, where she writes for students, parents, and fellow educators who need content built on actual teaching experience — not theory alone. Over a decade of working directly with students across age groups and learning levels has given Tara a practical understanding of how education content should be written — clearly, accessibly, and with genuine awareness of the challenges students and teachers face on the ground. She has taught 1,000+ students, contributed to school curriculum development initiatives, and published 250+ articles on education across digital platforms. She is an active member of the National Council of Teachers of English (NCTE) India. Across all her writing, every recommendation is classroom-tested, every insight comes from direct teaching experience, and every article is held to the same standard she applies in her own classroom — accuracy, clarity, and genuine usefulness for the reader.

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Updated on02/17/21

The jantar mantar of Jaipur and Delhi both are cosmic observatories. The main role of the observatory was to gather cosmic tables, and to foresee the occasions and developments of the sun, moon and planets. A portion of these reasons these days would be named cosmology.




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ashutosh singh
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