Answer

For Deravasi / Śvetāmbara Murtipujak Jains, Paryushan generally lasts 8 days and usually falls in Bhadarva Sud according to the Jain calendar.

The exact Paryushan dates change every year based on the Jain lunar calendar and local sangh decisions.

Important

Please check with your local Deravasi Jain Sangh / temple for the confirmed dates in your city, because observance dates can vary slightly by location and calendar tradition.

Takeaway

Deravasi Paryushan is an 8-day sacred period of pratikraman, tapasya, svādhyāy, forgiveness, and spiritual purification, ending with Samvatsari Pratikraman.