Jantar Mantar, Jaipur

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  • Jantar Mantar
    by Willettsworld
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    Astrological instrument at Jantar Mantar
    by Bernd_L
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    by Bernd_L
  • uglyscot's Profile Photo

    The observatory- Jantar Mantar

    by uglyscot Updated Dec 15, 2007

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    This is the largest and best of the 5 observatories in India. It was built by Sawai Jai Singh II (1699-1744) around 1728-34. At the time, it was the most accurate and advanced observatory, and the best astrological guide. He himself had a 'deep and perfect ' knowledge of astronomy.
    This observatory has 18 different instruments for measuring such things as: Polar Star, Celestial latitude and longitude, position of planets, solar and lunar eclipses, altitude of heavenly bodies, zenith, distance and declination to name but a few,.

    The site is open from 9am- 4.30 pm. The entry fee is 100 rupees.

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    Jantar Mantar Observatory

    by al2401 Written Aug 31, 2013

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    Jantar Mantar Observatory - Jaipur
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    The Jantar Mantar can be translated as 'instrument of calculation' It is a collection of architectural astronomical instruments built by Sawai Jai Singh in 1716 and it was completed in 1728. He built five such observatories including those at Delhi and Varanasi (Benares). After years of damage and neglect the site was thoroughly restored in 1901 and was declared a national monument in 1948. It was listed as a World Heritage site in 2010.

    The science of Astronomy was discovered in India and then travelled to other countries. Arabia took the science to heart and made great advances.

    Jantar Mantar has 15 astronomical instrument complexes. Their uses range from telling the exact time, the phases of the moon and the 12 zodiacs.

    Although in the centre of a busy city the atmosphere here is one of quiet - even with many tourists viewing the site.

    9:00 AM to 4:30 PM everyday.

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    Jantar Mantar

    by Hind_S Written Sep 30, 2005

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    horoscope dial
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    I've never been to an astrological observatory before and I'm not really into stars and all that, but this was pretty interesting. The Maharajah Jai Sigh II was, however, and its a good thing.
    I went for a brief tour of the observatory in Jaipur, one of 5 he built around the country.
    It was interesteing to see the stages it went through. There was a small sun dial that they built first which had about a 12 minute accuracy... then there's an enormous one with 2 second accuracy which is pretty impressive.
    The part I liked most was the horoscope predictor, pictured here. Never even knew they existed.. hm.

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    Narivalaya Yantra

    by keeweechic Written May 25, 2006

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    Another Sundial of Jantra Mantra but this one is an equatorial sundial although it performs the same function. It can measure the local solar time at the latitude of Jaipur. Narivalaya Yantra actually has two dials. There is a winter dial (pointing to the south pole) for when the sun is in the southern hemisphere and a summer dial (pointing to the north pole) for when the sun is in the northern hemisphere. At noon the sun falls on the north-south line enabling the reading of time in a normal way.

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    Jai Prakash Yantra

    by keeweechic Written May 25, 2006

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    This instrument is actually two sunken bowls and measures the rotation, longitude and latitude of the sun. A map of the visible heavens is inscribed on the inner surface of the bowls. There are additional scales which include the zodiac divisions around the rim of the bowls. There is a small ring which is suspended from cross wires. From this the shadow obtained projects the position of the sun onto the inscribed celestial map.

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    Raj Yantra

    by keeweechic Written May 25, 2006

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    The Raj Yantra is said to be the King of all Instruments. It is used only once in a year to calculate the Hindu calendar. This instrument is a map of planetary positions which is depicted on a 7ft wide metal disc.

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    Samrat Yantra

    by keeweechic Written May 25, 2006

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    Samrat Yantra is a large sundial standing 90ft high and 148 ft wide. It is marked with hours and minutes. On the left is an arc which shows the time from sunrise to midday and on the right is an arc which shows midday to sunset. The time is all based on the shadow and where it is sharpest. The Laghu Samrat Yantra is a smaller sundial and can calculate Jaipur’s local time within an accuracy of 20 seconds.

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    Rashi Valaya Yantras

    by keeweechic Written May 25, 2006

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    The Rashi Valaya Yantras is made up of 12 instruments all placed at different angles. The pieces represent the zodiac signs and are placed differently so as to face the appropriate constellation. They were used by astrologers to make accurate horoscopes

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    Ram Jantra

    by keeweechic Written May 25, 2006

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    This instrument is made up of vertical columns which support an equal number of horizontal slabs in two identical stone structures. The sides are cut out so you can get close and see what’s happening. As the sun rises and falls, the shadow also does the same as it moves around the instrument.

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    Jantar Mantar Observatory

    by grets Written Aug 7, 2005

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    Sundial

    The sundial casts shadows moving up to four metres an hour, and is accurate to one tenth of a second.

    Both Judith and I climbed to the top of the sundial, and the steps were so steep coming down again, that we both pulled amuscle in the left knee, making climbing stairs agonising for several days afterwards.

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    "Busy old fool, unruly Sun" - Jantar Mantar

    by anilpradhanshillong Written Apr 4, 2012

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    Jantar (from ‘jyantra’, instrument) Mantar (from ‘mantra’, magic formula, calculation), therefore, ‘instrument for calculation’, is the fourth open-air observatory built by the redoubtable Maharaja Sawai Jai Singh II, after the ones in Delhi, Ujjain, Varanasi and Mathura. It is part and parcel of the City Palace and the Hawa Mahal, thus enabling the Maharaja easy access to either scientific pursuits (Jantar Mantar) or pious pursuits (Hawa Mahal). It is the world’s largest stone observatory. It was built between 1727 and 1734.

    These colossal structures, precisely owing to their sheer size, could be read by the Maharaja and his advisors to give precise information regarding the earth’s movements, the time of the day and even, monsoon forecasts. The Samrat Yantra is a huge sun dial; the Yantra Raj is used to determine the position of the Pole Star; and, the Rashivalaya Yantra was consulted to make a person’s horoscope. It is wise to take the services of a guide here else, to a layman, these giant structures will be just that only, mere structures.

    To fully appreciate the concept of time passing, never to return, visit the Samrat Yantra and watch the shadow move roughly 6 cms every minute. It may remind you of the ancient proverb, ‘Time and tide wait for no man’. You may just come back shaken.

    First Written: Apr. 4, 2012

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    Jantar Mantar - the open air observatory

    by Bernd_L Written Jan 24, 2014

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    Astrological instrument at Jantar Mantar
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    As the founder of Jaipur was a passionate astrologer he built a big observatory in the middle of his city. The instruments are made of stone and quite impressive and it was interesting to hear about their functionality. The biggest instrument is at a height of 27 meters the worlds largest sundial.

    Jantar Mantar is rightly on the list of UNESCO world heritage sites.

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  • nightcowboy's Profile Photo

    Astronomical Observatory

    by nightcowboy Updated Sep 20, 2007

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    Sawai Jai Singh. He founded Jaipur.
    He was a most remarkable man of his time and a man of science.
    Fellow travelers interested in your Horoscope this is your place to visit, I found the most of all interested places to visit in Jaipur
    This place evokes an air of magic.

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    Models of the Ram Yantra

    by Willettsworld Written Oct 20, 2007

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    These are two small twin cylindrical models of the larger Ram Yantra, an instrument for measuring altitude and azimuth, (a mathematical concept defined as the angle between a reference plane and a point), of celestial objects.

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    Jantar Mantar

    by PCuk Written Aug 8, 2003

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    Its worth seeing this place,just to give you a breather and rest from the franetic city pace.
    Similar to the one in Delhi,but much nicer.The observatories were built by Jai Singh to satisfy his astronomical desires.
    There are some great views from the top of some of the structures and a good place for obscure pictures.
    12 zodiac pieces seemed to create a lot in interest and everyone wanted to have their picture taken with their star sign.More than that its a great place to chill,sit in the shade and people watch in peace.Check out the Narivalaya Yantra..2 hemispheres that calculate the time by solar cycle.

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