[Pramāṇa](https://indike.org/pramana/) › [Indian literature](https://indike.org/pramana/in) › [Jain Literature](https://indike.org/pramana/in.jaina) › [Post-canonical works (philosophy, yoga, karma theory, narrative, poetry, history)](https://indike.org/pramana/in.jaina.post) › [Sciences by Jain authors (grammar, lexicography, poetics, astronomy, medicine)](https://indike.org/pramana/in.jaina.post.sastra) › [Astronomy, astrology and mathematics](https://indike.org/pramana/in.jaina.post.sastra.jyotisa) › Navaratna # Navaratna नवरत्न - **Language:** Sanskrit - **Date:** 1387–1437 CE - **Author:** [Guṇaratna Sūri](https://indike.org/pramana/person/gunaratna) - **Text:** not yet digitised (catalogue entry) --- Source: [https://indike.org/pramana/in.jaina.post.sastra.jyotisa.navaratna](https://indike.org/pramana/in.jaina.post.sastra.jyotisa.navaratna) · Pramāṇa