[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [The Astronomical Observatories of Jai Singh](https://indike.org/pramana/ins.science.kaye-1918) › c10.1 # The Astronomical Observatories of Jai Singh c10.1 The Astronomical Observatories of Jai Singh c10.1 - **Language:** English ### [c10.1](https://indike.org/pramana/ins.science.kaye-1918.c10.1) For the Delhi observatory, known as the Jantar Mantar, we have the following approximately correct elements :— Latitude 28° 37' 35" N.¹ Longitude 77° 13' 5" E. of Greenwich. Height above the sea-level, 695 feet. Magnetic declination E. 1° 45', in 1915. Annual variation—1'. Local time 12 minutes 12 seconds after standard time. - [Previous: c9.s1.40](https://indike.org/pramana/ins.science.kaye-1918.c9.s1.40) - [Next: c10.2](https://indike.org/pramana/ins.science.kaye-1918.c10.2) - [Up: c10](https://indike.org/pramana/ins.science.kaye-1918.c10) --- Source: [https://indike.org/pramana/ins.science.kaye-1918.c10.1](https://indike.org/pramana/ins.science.kaye-1918.c10.1) · Pramāṇa