Answer

For Sthanakvasi Jain Samvatsari in 2026, the date is:

Wednesday, 16 September 2026

Explanation

In many Shvetambar traditions:

• Murtipujak / Deravasi Samvatsari is usually observed on Bhadrapad Sud 4.
• Sthanakvasi and Terapanth Samvatsari is commonly observed on Bhadrapad Sud 5.

So for 2026, Sthanakvasi Samvatsari falls on 16 September 2026.

Takeaway

Samvatsari is the sacred day of Pratikraman, forgiveness, self-purification, and Michhami Dukkadam. Local Sangh calendars should also be followed, as observance may vary slightly by place and tradition.