Jantar Mantar

Jantar Mantar is a fascinating historical place in Delhi. The astronomical instruments are very unique and show the scientific knowledge of ancient India. The place is well maintained and peaceful. It is a great spot for learning about history, science, and taking photos.

Great place to know about how time, zodiac signs. Planetary positions were accurately calculated ...one of the 6 observatory is here in Delhi...using s guide there will help you understand each of the usage better. Wait time No wait

Jantar Mantar in New Delhi is a fascinating blend of history, science, and architecture that truly stands out in the middle of a busy city. The moment you enter, you’re transported back to the 18th century, when these massive astronomical instruments were built with incredible precision and vision. Each structure has a purpose — calculating time, tracking celestial bodies, predicting eclipses — and even if you’re not from a science background, the scale and craftsmanship leave you amazed. The place is well-maintained, and the pathways make it easy to explore every monument up close. What I really appreciated was the detailed information boards that explain how each instrument works. It adds a lot of value and helps you understand the genius of Maharaja Jai Singh II, who created these observatories. It’s a great spot for photography, learning, and spending a peaceful hour away from the noise of central Delhi. The staff is courteous, and entry tickets are reasonably priced. I would recommend hiring a guide or using an audio guide for a deeper experience. Overall, Jantar Mantar is a must-visit for anyone interested in history, astronomy, or simply exploring unique heritage sites in Delhi. A truly remarkable place! Visited on Weekday Wait time No wait Reservation recommended No

It's a small but interesting place. It will just leave u wondering how much developed and talented our ancestors were!! Pretty clean n need to buy tickets for entry Visited on Weekday Wait time Up to 10 min Reservation recommended No

Built in 1724 by Maharaja Jai Singh II of Jaipur, the Delhi Jantar Mantar is the first of five astronomical observatories he constructed. Jai Singh found existing brass tools inaccurate, so he built these massive masonry structures to achieve "monumental" precision. ​The site features four primary instruments: ​Samrat Yantra: A 70-foot-tall sundial measuring local time to within two seconds. ​Jai Prakash Yantra: Two sunken hemispherical bowls that map the sky and track the sun's position through the zodiac. ​Rama Yantra: Two cylindrical structures used to measure the altitude and azimuth of celestial bodies. ​Misra Yantra: A unique "mixed" tool that identifies the year’s shortest/longest days and indicates noon in various global cities. The thing is if u have interest in historic science than it's gonna be a nice trip for you otherwise u will feel bored here. Visited on Weekday Wait time No wait

⭐⭐⭐⭐☆ (4/5) A nice and interesting stop if you’re already exploring central Delhi. The site offers a fascinating glimpse into the mind of an astronomer king who was clearly obsessed with measuring and understanding the sky centuries before modern technology. The instruments are impressive when you learn what they were designed to do, and the historical significance is undeniable. That said, the visit is relatively short and probably not worth going out of your way for if you’re limited on time. Having also visited the Jantar Mantar in Jaipur, I have to admit its bigger brother is far more impressive and memorable. Still, this one is worth a quick visit if you’re nearby and interested in history, astronomy, or unusual architecture. Visited on Weekday Wait time No wait Reservation recommended No

⭐ 4.5/5 Had a great experience visiting . The place is full of history and unique architecture that instantly catches your attention. The giant astronomical instruments are fascinating and show how advanced ancient Indian science was. The atmosphere is calm and peaceful despite being in the middle of the city. It’s a perfect spot for photography, learning about history, and spending quality time with friends or family. The structures are well-maintained, and the open space gives a very aesthetic vibe. A must-visit place in Delhi for anyone who loves history, culture, and amazing architecture. Visited on Weekday Wait time No wait Reservation recommended No

Came here to check time with giant instrument. Amazing historical place with unique astronomical instruments. Well maintained, peaceful, and great for photos. Place should be visit for architecture knowledge. Visited on Weekday Wait time No wait Reservation recommended No

Absolutely stunning!! It's totally worth to pay the tourist price. Love the architecture and the science. Additionally a really nice atmosphere with the birds flying around and to relax in the middle of the city hectic! Visited on Weekend Wait time No wait

A fascinating blend of history, science, and architecture. Visiting Jantar Mantar in Delhi was a truly unique experience. Located right in the heart of the city, near Connaught Place, this astronomical observatory built by Maharaja Jai Singh II is an absolute gem for history buffs, science lovers, and curious travelers alike. The massive stone instruments—like the Samrat Yantra (huge sundial) and Ram Yantra—are incredibly preserved and surprisingly accurate, even centuries later. It’s amazing to think that these structures were used to track stars, planets, and time without any modern technology. The site is clean, well-maintained, and not too crowded compared to other Delhi attractions. There’s also a small museum on-site that adds good context. The entry fee is very reasonable, and you can explore the entire complex in about an hour. Whether you're into astronomy, photography, or just want a peaceful break from Delhi’s busy streets, Jantar Mantar is well worth a visit. Highly recommended for a quick, educational, and inspiring stop! Visited on Weekend Wait time No wait Reservation recommended No