[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Science, technology and education](https://indike.org/pramana/ins.science) › [Jyotihshastra: Astral and Mathematical Literature](https://indike.org/pramana/ins.science.pingree-1981) › c4.s4.27 # Jyotihshastra: Astral and Mathematical Literature c4.s4.27 Jyotiḥśāstra: Astral and Mathematical Literature c4.s4.27 - **Language:** English ### [c4.s4.27](https://indike.org/pramana/ins.science.pingree-1981.c4.s4.27) 7. The Grahakaumudī¹⁸⁷ of Nṛsiṃha, the author of the Kheṭamuktavalī to whose Gaṇeśapakṣa the Grahakaumudī also adheres. Its epochs are 31 March 1588 and 31 March 1603; it is also true linear. Written at Nandigrāma in Gujarāt. - [Previous: c4.s4.26](https://indike.org/pramana/ins.science.pingree-1981.c4.s4.26) - [Next: c4.s4.28](https://indike.org/pramana/ins.science.pingree-1981.c4.s4.28) - [Up: c4.s4](https://indike.org/pramana/ins.science.pingree-1981.c4.s4) --- Source: [https://indike.org/pramana/ins.science.pingree-1981.c4.s4.27](https://indike.org/pramana/ins.science.pingree-1981.c4.s4.27) · Pramāṇa