[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) › c8.30 # The Astronomical Observatories of Jai Singh c8.30 The Astronomical Observatories of Jai Singh c8.30 - **Language:** English ### [c8.30](https://indike.org/pramana/ins.science.kaye-1918.c8.30) ² The Hindus reckon their sidereal time from the rising of the vernal equinox, and hence it differs from European time by 6 hours. - [Previous: c8.29](https://indike.org/pramana/ins.science.kaye-1918.c8.29) - [Next: c8.31](https://indike.org/pramana/ins.science.kaye-1918.c8.31) - [Up: c8](https://indike.org/pramana/ins.science.kaye-1918.c8) --- Source: [https://indike.org/pramana/ins.science.kaye-1918.c8.30](https://indike.org/pramana/ins.science.kaye-1918.c8.30) · Pramāṇa