GST · Updated August 2026
GST Compliance Calendar 2026:
Every Due Date You Need to Know
A quick-reference guide to GST return due dates so you never miss a filing deadline.
A quick-reference guide to GST return due dates so you never miss a filing deadline.
| Return | Due Date | Purpose |
|---|---|---|
| GSTR-1 | 11th of next month | Outward supplies (sales) |
| GSTR-3B | 20th of next month | Summary return & tax payment |
| Return | Due Date |
|---|---|
| GSTR-1 (Quarterly) | 13th of month after quarter end |
| GSTR-3B (Quarterly) | 22nd or 24th of month after quarter end, depending on state |
| PMT-06 (Monthly tax payment) | 25th of each of the first two months of the quarter |
| Return | Due Date |
|---|---|
| GSTR-9 (Annual Return) | 31st December following the financial year |
| GSTR-9C (Reconciliation, if applicable) | 31st December following the financial year |
Missing GST due dates attracts a late fee (₹50 per day for regular returns, ₹20 per day for nil returns, capped as per current rules) plus 18% per annum interest on any tax paid late. Repeated late filing can also affect your GST compliance rating.