In 2026, Jain Chaturmās is:

• Start (Chaturmās Prarambh):

Tuesday, 28 July 2026 – Āshādh Sud 14 (Chaumāsī Chaudas)

• End (Chaturmās Samāpti):

Tuesday, 24 November 2026 – Kārtik Purnimā

This is the period when Jain sādhus and sādhvīs stay in one place and śrāvaks/śrāvikās do extra vrat, pratikraman, svādhyāy, etc.