Samvatsari comes on Shukla Pañcamī (the 5th day) of Bhadrapada, i.e., the last day of Paryushan for Śvetāmbara Jains. So, after Chaumasi Pakhi, the next major day is Samvatsari. In 2025, this falls on August 28, 2025 (Shwetambar calendar), with Digambar communities starting their Das Lakshan Parva after that. You can read more here .