“Paryushan” (Śvetāmbara; 8 days) and “Das‑Lakshan” (Digambara; 10 days) fall every year in the bright fortnight of Bhādrapada. Dates vary slightly by local lunar calendar.

For 2025 (this year):

• Śvetāmbara Paryushan: many calendars show Wednesday 20 August 2025 to Wednesday 27 August 2025, with Samvatsari on 27 August. ( timesofindia.indiatimes.com, cemca.org.in)
• In some sanghs, it is observed Thursday 21 August 2025 to Thursday 28 August 2025, with Samvatsari on 28 August. ( indiacelebrating.com, instaastro.com)
• Digambara Das‑Lakshan: begins the day after Śvetāmbara Samvatsari. So either Thursday 28 August to Saturday 6 September 2025, or Friday 29 August to Sunday 7 September 2025, depending on your local observance. ( indiacelebrating.com, latestly.com)

Please confirm with your local Jain sangh/derasar for the exact dates they are following this year.

More on Paryushan dates and practice: