[Pramāṇa](https://indike.org/pramana/) › [Indian literature](https://indike.org/pramana/in) › [Astronomy & Mathematics](https://indike.org/pramana/in.astro) › [Mathematical Astronomy](https://indike.org/pramana/in.astro.siddhanta) › [Later siddhāntas and Sūryasiddhānta-based treatises](https://indike.org/pramana/in.astro.siddhanta.later) › Siddhantahridaya # Siddhantahridaya (Siddhāntahṛdaya) सिद्धान्तहृदय - **Language:** Sanskrit - **Date:** 1675–1683 CE - **Author:** [Dāmodara Rāṇabha](https://indike.org/pramana/person/damodara-ranabha) - **Text:** not yet digitised (catalogue entry) --- Source: [https://indike.org/pramana/in.astro.siddhanta.later.siddhantahrdaya](https://indike.org/pramana/in.astro.siddhanta.later.siddhantahrdaya) · Pramāṇa