After Chomasi Pakhi on which day does Samvatsari come
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Samvatsari is the last day of Paryushan Parva. It is the day of forgiveness (Michhami Dukkadam) and the concluding Pratikraman of the year.
The date shifts each year and differs a bit between Shwetambar and Digambar communities, but the general rule is: it comes on the final day of Paryushan. For example, in 2025, Shwetambar calendars commonly placed Samvatsari around August 28, 2025, with small local variations. Digambar observances may differ by a day in some regions. ( jainknowledge.com, english.gujaratsamachar.com)