Samrat Yantra
E306141
Samrat Yantra is a massive stone sundial at Jaipur’s Jantar Mantar observatory, renowned for its precise astronomical timekeeping.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Samrat Yantra canonical | 4 |
| Samrat Yantra at Jantar Mantar, Jaipur | 1 |
| ‘Samrat Yantra’ means ‘Supreme Instrument’ in Hindi/Sanskrit | 1 |
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical instrument
ⓘ
heritage monument ⓘ sundial ⓘ |
| approximateCompletionYear | 1734 ⓘ |
| associatedObservatoryNetwork | Jantar Mantars built in Delhi, Ujjain, Varanasi, and Mathura ⓘ |
| associatedWith | Maharaja Sawai Jai Singh II’s program of astronomical reform ⓘ |
| category |
architectural astronomy
ⓘ
historical observatory instrument ⓘ |
| constructedBy |
Maharaja Jai Singh II
ⓘ
surface form:
Maharaja Sawai Jai Singh II
|
| constructedFor |
astronomical observations
ⓘ
calendar calculations ⓘ timekeeping ⓘ |
| constructionStartCentury | 18th century ⓘ |
| culturalSignificance | symbol of India’s pre-modern scientific heritage ⓘ |
| dialType | equinoctial sundial ⓘ |
| etymology |
Samrat Yantra
self-linksurface differs
ⓘ
surface form:
‘Samrat Yantra’ means ‘Supreme Instrument’ in Hindi/Sanskrit
|
| function |
aids in determining celestial coordinates
ⓘ
measures declination of the Sun ⓘ measures local solar time ⓘ |
| gnomonOrientation | aligned with Earth’s rotational axis ⓘ |
| governingBody | Archaeological Survey of India ⓘ |
| hasFeature |
quadrants with graduated scales
ⓘ
stairway along the hypotenuse of the gnomon ⓘ |
| height | about 27 meters ⓘ |
| heritageStatus |
Jantar Mantar, Jaipur
ⓘ
surface form:
UNESCO World Heritage Site (as part of Jantar Mantar, Jaipur)
|
| latitudeAlignment | aligned to latitude of Jaipur ⓘ |
| locatedIn | Jantar Mantar, Jaipur ⓘ |
| locatedInCity | Jaipur ⓘ |
| locatedInCountry | India ⓘ |
| locatedInState | Rajasthan ⓘ |
| material |
marble
ⓘ
stone ⓘ |
| measurementUnit | local time in hours, minutes, and seconds (via scale readings) ⓘ |
| notableFor |
high precision in solar time measurement
ⓘ
integration of architecture and astronomy ⓘ massive scale compared to typical sundials ⓘ |
| orientation | north-south aligned gnomon ⓘ |
| partOf |
Jantar Mantar, Jaipur
ⓘ
surface form:
Jantar Mantar observatory, Jaipur
|
| preservationStatus | protected monument ⓘ |
| relatedWork | other yantras at Jantar Mantar, Jaipur ⓘ |
| shape | triangular gnomon with quadrants on either side ⓘ |
| timeAccuracy | about 2 seconds ⓘ |
| tourismAttraction | major tourist attraction in Jaipur ⓘ |
| usedFor |
astrology-related calculations in historical context
ⓘ
calibrating other instruments at Jantar Mantar ⓘ |
| visitorAccess | open to public ⓘ |
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Samrat Yantra at Jantar Mantar, Jaipur
this entity surface form:
‘Samrat Yantra’ means ‘Supreme Instrument’ in Hindi/Sanskrit