GSTR Due Date Finder
Find GST return due dates by form, period, filing frequency and state. Check days left or overdue and jump to late fee/interest tools if needed.
How GSTR due dates are calculated
Monthly return due dates fall in the next calendar month after the tax period. Quarterly due dates fall in the month after the quarter ends. QRMP GSTR-3B uses state category X/Y to decide 22nd or 24th.
Monthly vs QRMP due dates
- Monthly GSTR-1: 11th of next month.
- Monthly GSTR-3B: 20th of next month.
- QRMP GSTR-1: 13th after quarter end.
- QRMP GSTR-3B: 22nd for Category X, 24th for Category Y.
GST return due date rules
| Return | Who files | Frequency | Standard due date |
|---|---|---|---|
| GSTR-1 Monthly | Regular taxpayers | Monthly | 11th of next month |
| GSTR-3B Monthly | Regular taxpayers | Monthly | 20th of next month |
| GSTR-1 QRMP | QRMP taxpayers | Quarterly | 13th after quarter end |
| GSTR-3B QRMP Category X | QRMP taxpayers | Quarterly | 22nd after quarter end |
| GSTR-3B QRMP Category Y | QRMP taxpayers | Quarterly | 24th after quarter end |
| PMT-06 | QRMP taxpayers | Monthly | 25th of next month |
| CMP-08 | Composition taxpayers | Quarterly | 18th after quarter end |
| GSTR-7 | GST TDS deductors | Monthly | 10th of next month |
| GSTR-8 | E-commerce operators | Monthly | 10th of next month |
QRMP GSTR-3B due date: 22nd or 24th?
QRMP GSTR-3B due date depends on state category. Category X commonly uses 22nd, while Category Y commonly uses 24th. The finder uses the selected State/UT to identify the category.
Category X → 22nd
Category Y → 24th
Common examples
| Return / period | Due date | Note |
|---|---|---|
| GSTR-1 monthly for April 2026 | 11 May 2026 | 11th of next month |
| GSTR-3B monthly for April 2026 | 20 May 2026 | 20th of next month |
| GSTR-1 QRMP Q1 FY 2025-26 | 13 Jul 2025 | 13th after quarter end |
| GSTR-3B QRMP Q1 FY 2025-26 Category X | 22 Jul 2025 | State category X |
| GSTR-3B QRMP Q1 FY 2025-26 Category Y | 24 Jul 2025 | State category Y |
| CMP-08 Q1 FY 2025-26 | 18 Jul 2025 | 18th after quarter end |
| PMT-06 April 2026 | 25 May 2026 | 25th of next month |
What to do if you missed the due date
First verify the final deadline on GST Portal/CBIC. Then estimate late fee and interest before payment/filing.
FAQs
What is the GSTR due date finder?
It is a GST return due date calculator that estimates the standard due date for a selected form, tax period, filing frequency and state.
What is the due date for GSTR-1?
GSTR-1 monthly is commonly due on the 11th of the next month. QRMP GSTR-1 is commonly due on the 13th of the month after the quarter ends.
What is the due date for GSTR-3B?
Monthly GSTR-3B is commonly due on the 20th of the next month. QRMP GSTR-3B is commonly due on the 22nd or 24th based on state category.
What are QRMP 22nd/24th due dates?
QRMP GSTR-3B due dates are split by state category. Category X is commonly due on the 22nd and Category Y on the 24th after the quarter.
How is CMP-08 due date calculated?
CMP-08 is commonly due on the 18th of the month after the quarter ends.
What if I missed the due date?
Use the late fee and interest calculators to estimate impact, then verify final amounts on the GST portal before payment or filing.
Does this include due-date extensions?
This v1 finder shows standard schedules and lets you use a manual override when an official extension applies. Verify extensions on GST Portal/CBIC.
Can I file on Sunday or a holiday?
The GST portal is online, but banking/payment settlement can matter. A holiday does not automatically extend a GST due date unless officially notified.
Should I verify on GST portal?
Yes. Always verify the final filing deadline on the GST portal or CBIC notifications, especially when extensions or special advisories are announced.
Safety/source note
This tool shows standard due dates based on common GST schedules. Official extensions or special advisories may change due dates. Verify final filing deadline on GST Portal/CBIC before filing.