GSTR Due Date Finder
Updated July 2026
Find the exact filing due date for GSTR-1, GSTR-3B (monthly or QRMP), GSTR-9, GSTR-4, and CMP-08 for any period.
GSTR Due Date Finder
Frequently Asked Questions
What are QRMP State Groups?
Group A includes Chhattisgarh, MP, Gujarat, Maharashtra, Karnataka, Goa, Kerala, Tamil Nadu, Telangana, Andhra Pradesh and UTs of Daman & Diu, Dadra & Nagar Haveli, Puducherry, Andaman & Nicobar, Lakshadweep (GSTR-3B due 22nd). Group B covers the remaining states and UTs (due 24th).
Do due dates ever get extended?
Yes, CBIC periodically extends due dates through notifications, especially during portal outages or major law changes — always double-check on the GST portal close to your deadline.
What is CMP-08?
A quarterly statement-cum-challan for composition scheme taxpayers to pay tax — it isn't a full return, but has its own due date (18th of the month after the quarter).