GST Calendar and Important GST Dates 2025–26
Staying compliant with GST deadlines is vital for both registered businesses and professionals. A well-organized GST calendar allows you to prepare for filings ahead of time and avoid interest charges or late fees. By determining your GST registration type, you can easily identify which returns to file—especially with the help of a GST search tool.
Since the CBIC regularly updates filing dates for various GST returns and forms, having a handy GST calendar keeps you informed of any changes, ensuring you know exactly when to remit tax payments and submit returns. Missing these due dates can attract interest, penalties, or late fees, which can erode profits and damage a business’s compliance reputation. To simplify this, we’ve prepared a GST Calendar for the financial year 2025–26 (covering the period from April 2025 to March 2026).
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Overview of GST Returns and Filing Structure
Regular Taxpayers
Monthly Filers: Taxpayers with an annual aggregate turnover exceeding Rs.5 crore in the previous financial year must file two main GST returns:
- GSTR-1: Outward supplies summary (monthly).
- GSTR-3B: Summary return of inward and outward supplies (monthly).
QRMP Scheme: Taxpayers with a turnover of up to Rs.5 crore may opt for the Quarterly Return and Monthly Payment of Taxes (QRMP) scheme.
- GSTR-1and GSTR-3B: Filed quarterly.
- PMT-06: Challan for monthly payment of estimated tax liability.
- IFF (Invoice Furnishing Facility): Optional monthly upload of B2B invoices to pass on timely Input Tax Credit (ITC) to buyers.
Composition Taxable Persons
- CMP-08: Quarterly challan-cum-statement for paying composition tax.
- GSTR-4: Annual return for composition taxpayers (filed by 30th April after the end of every financial year).
Special Returns
- GSTR-5: Filed by non-resident taxable persons (monthly).
- GSTR-5A: For OIDAR (Online Information and Database Access or Retrieval) service providers (monthly).
- GSTR-6: Filed by Input Service Distributors (ISD) to pass on ITC (monthly).
- GSTR-7: TDS under GST (monthly).
- GSTR-8: TCS by e-commerce operators (monthly).
- GSTR-9/9C: Annual return and self-certified reconciliation statement (yearly).
GST Calendar 2025–26 (Month-by-Month)
The following tables provide indicative deadlines for GST returns and payments throughout the financial year 2025–26. Please note that these due dates are subject to changes as notified by the government via circulars or notifications.
GST calender - April 2025
| Date |
Return/Form/Payment |
Description |
| 11 Apr 2025 |
GSTR-1 (Monthly) |
Outward supplies for March 2025 (turnover > Rs.5 crore or monthly filer). |
| 13 Apr 2025 |
GSTR-1 (Quarterly) |
Outward supplies for Jan–Mar 2025 (QRMP taxpayers). |
| 20 Apr 2025 |
GSTR-3B (Monthly), GSTR-5A |
GSTR-3B for March 2025 (monthly filers) & GSTR-5A for OIDAR. |
| 22/24 Apr 2025 |
GSTR-3B (Quarterly) |
Jan–Mar 2025 quarter for QRMP taxpayers in Category X/Category Y states/UTs. |
| 25 Apr 2025 |
ITC-04 (Half-Yearly/Yearly) |
Jobs sent to/received from job workers (depends on turnover). |
| 30 Apr 2025 |
GSTR-4 (Annual) |
Composition taxpayers’ annual return for FY 2024–25. |
GST Compliance Calendar - May 2025
| Date |
Return/Form/Payment |
Description |
| 10 May 2025 |
GSTR-7, GSTR-8 |
TDS/TCS under GST for April 2025. |
| 11 May 2025 |
GSTR-1 (Monthly) |
Outward supplies for April 2025 (monthly filers). |
| 13 May 2025 |
GSTR-5, GSTR-6 |
GSTR-5 for non-residents, GSTR-6 for Input Service Distributors for April 2025. |
| 20 May 2025 |
GSTR-3B (Monthly) |
Summary return for April 2025 (monthly filers). |
| 25 May 2025 |
PMT-06 |
The monthly payment for QRMP taxpayers (for April 2025). |
| 31 May 2025 |
ITC-03 (if applicable) |
ITC reversal form if newly opting into composition scheme for FY 2025–26. |
Important GST Dates for June 2025
| Date |
Return/Form/Payment |
Description |
| 10 Jun 2025 |
GSTR-7, GSTR-8 |
TDS/TCS return for May 2025. |
| 11 Jun 2025 |
GSTR-1 (Monthly) |
Outward supplies for May 2025 (monthly filers). |
| 13 Jun 2025 |
GSTR-5, GSTR-6 |
Non-resident taxable persons (GSTR-5) and ISD returns (GSTR-6) for May 2025. |
| 20 Jun 2025 |
GSTR-3B (Monthly) |
Summary return for May 2025 (monthly filers). |
| 25 Jun 2025 |
PMT-06 |
The monthly payment for QRMP taxpayers (for May 2025). |
GST Due Dates for July 2025
| Date |
Return/Form/Payment |
Description |
| 10 Jul 2025 |
GSTR-7, GSTR-8 |
TDS/TCS under GST for June 2025. |
| 11 Jul 2025 |
GSTR-1 (Monthly) |
Outward supplies for June 2025 (monthly filers). |
| 13 Jul 2025 |
GSTR-5, GSTR-6 |
GSTR-5 for non-residents and GSTR-6 for ISD (June 2025). |
| 18 Jul 2025 |
CMP-08 |
Quarterly challan for composition taxpayers for Apr-Jun 2025. |
| 20 Jul 2025 |
GSTR-3B (Monthly) |
Summary return for June 2025 (monthly filers). |
| 22/24 Jul 2025 |
GSTR-3B (Quarterly) |
Apr-Jun 2025 for QRMP filers in Category X/Category Y states/UTs. |
| 25 Jul 2025 |
PMT-06 (if monthly) |
The monthly payment under QRMP for June 2025, if not covered in quarterly 3B. |
GST Filing date for August 2025
| Date |
Return/Form/Payment |
Description |
| 10 Aug 2025 |
GSTR-7, GSTR-8 |
TDS/TCS for July 2025. |
| 11 Aug 2025 |
GSTR-1 (Monthly) |
Outward supplies for July 2025 (monthly filers). |
| 13 Aug 2025 |
GSTR-5, GSTR-6 |
Non-resident taxable persons, ISD returns for July 2025. |
| 20 Aug 2025 |
GSTR-3B (Monthly) |
Summary return for July 2025 (monthly filers). |
| 25 Aug 2025 |
PMT-06 |
The monthly payment under QRMP is for July 2025. |
GST Due Dates for September 2025
| Date |
Return/Form/Payment |
Description |
| 10 Sep 2025 |
GSTR-7, GSTR-8 |
TDS/TCS for August 2025. |
| 11 Sep 2025 |
GSTR-1 (Monthly) |
Outward supplies for August 2025 (monthly filers). |
| 13 Sep 2025 |
GSTR-5, GSTR-6 |
Non-resident taxable persons, ISD returns for August 2025. |
| 20 Sep 2025 |
GSTR-3B (Monthly) |
Summary return for August 2025 (monthly filers). |
| 25 Sep 2025 |
PMT-06 |
The monthly payment under QRMP for August 2025. |
GST Calendar for October 2025
| Date |
Return/Form/Payment |
Description |
| 10 Oct 2025 |
GSTR-7, GSTR-8 |
TDS/TCS for September 2025. |
| 11 Oct 2025 |
GSTR-1 (Monthly) |
Outward supplies for September 2025 (monthly filers). |
| 13 Oct 2025 |
GSTR-5, GSTR-6 |
Non-resident taxable persons, ISD returns for September 2025. |
| 18 Oct 2025 |
CMP-08 |
Quarterly challan for composition taxpayers for July–Sep 2025. |
| 20 Oct 2025 |
GSTR-3B (Monthly) |
Summary return for September 2025 (monthly filers). |
| 22/24 Oct 2025 |
GSTR-3B (Quarterly) |
July–Sep 2025 for QRMP filers in Category X/Category Y states/UTs. |
| 25 Oct 2025 |
PMT-06 (if monthly) |
The monthly payment under QRMP for September 2025, if not done in quarterly 3B. |
GST Calendar for November 2025
| Date |
Return/Form/Payment |
Description |
| 10 Nov 2025 |
GSTR-7, GSTR-8 |
TDS/TCS under GST for October 2025. |
| 11 Nov 2025 |
GSTR-1 (Monthly) |
Outward supplies for October 2025 (monthly filers). |
| 13 Nov 2025 |
GSTR-5, GSTR-6 |
Non-resident taxable persons, ISD returns for October 2025. |
| 20 Nov 2025 |
GSTR-3B (Monthly) |
Summary return for October 2025 (monthly filers). |
| 25 Nov 2025 |
PMT-06 |
The monthly payment under QRMP is for October 2025. |
GST Calendar for December 2025
| Date |
Return/Form/Payment |
Description |
| 10 Dec 2025 |
GSTR-7, GSTR-8 |
TDS/TCS under GST for November 2025. |
| 11 Dec 2025 |
GSTR-1 (Monthly) |
Outward supplies for November 2025 (monthly filers). |
| 13 Dec 2025 |
GSTR-5, GSTR-6 |
Non-resident taxable persons, ISD returns for November 2025. |
| 20 Dec 2025 |
GSTR-3B (Monthly) |
Summary return for November 2025 (monthly filers). |
| 25 Dec 2025 |
PMT-06 |
The monthly payment under QRMP is for November 2025. |
GST Calendar for January 2026
| Date |
Return/Form/Payment |
Description |
| 10 Jan 2026 |
GSTR-7, GSTR-8 |
TDS/TCS for December 2025. |
| 11 Jan 2026 |
GSTR-1 (Monthly) |
Outward supplies for December 2025 (monthly filers). |
| 13 Jan 2026 |
GSTR-5, GSTR-6 |
Non-resident taxable persons, ISD returns for December 2025. |
| 18 Jan 2026 |
CMP-08 |
Quarterly challan for composition taxpayers for Oct-Dec 2025. |
| 20 Jan 2026 |
GSTR-3B (Monthly) |
Summary return for December 2025 (monthly filers). |
| 22/24 Jan 2026 |
GSTR-3B (Quarterly) |
Oct-Dec 2025 for QRMP filers (Category X/Category Y). |
| 25 Jan 2026 |
PMT-06 (if monthly) |
The monthly payment under QRMP for December 2025, if not done in quarterly 3B. |
GST Calendar for February 2026
| Date |
Return/Form/Payment |
Description |
| 10 Feb 2026 |
GSTR-7, GSTR-8 |
TDS/TCS for January 2026. |
| 11 Feb 2026 |
GSTR-1 (Monthly) |
Outward supplies for January 2026 (monthly filers). |
| 13 Feb 2026 |
GSTR-5, GSTR-6 |
Non-resident taxable persons, ISD returns for January 2026. |
| 20 Feb 2026 |
GSTR-3B (Monthly) |
Summary return for January 2026 (monthly filers). |
| 25 Feb 2026 |
PMT-06 |
The monthly payment under QRMP for January 2026. |
GST Calendar for March 2026
| Date |
Return/Form/Payment |
Description |
| 10 Mar 2026 |
GSTR-7, GSTR-8 |
TDS/TCS for February 2026. |
| 11 Mar 2026 |
GSTR-1 (Monthly) |
Outward supplies for February 2026 (monthly filers). |
| 13 Mar 2026 |
GSTR-5, GSTR-6 |
Non-resident taxable persons, ISD returns for February 2026. |
| 20 Mar 2026 |
GSTR-3B (Monthly) |
Summary return for February 2026 (monthly filers). |
| 25 Mar 2026 |
PMT-06 |
The monthly payment under QRMP for February 2026. |
| 31 Mar 2026 |
End-of-Year Filings |
Any pending GST return submissions or corrections for FY 2025–26, if not extended otherwise. |
Important Annual and Other Returns
GSTR-9 & GSTR-9C (Annual Return & Reconciliation):
- FY 2024–25: Due by 31st December 2025 (unless extended).
- FY 2025–26: Due by 31st December 2026 (unless extended).
GSTR-4 (Composition taxpayers):
- FY 2025–26: Due by 30th April 2026.
ITC-04 (Job Work):
- Half-yearly for manufacturers with turnover > Rs.5 crore.
- Yearly for manufacturers with turnover up to Rs.5 crore.
CMP-02:
- Form to opt into the composition scheme by 31st March of the preceding financial year (i.e., 31st March 2025 for FY 2025–26).
RFD-11 (LUT):
- Submit a Letter of Undertaking if exporting without payment of IGST. Must be renewed annually by 31st March for the following financial year.
Why the GST Calendar Is Important?
Adhering to the GST calendar is vital for timely compliance, smoother cash flow management, and fostering a credible relationship with tax authorities.
- Prevents Penalties and Late Fees: Following the GST calendar ensures that all returns and payments are made before deadlines, helping businesses avoid late fees and interest charges.
- Improves Cash Flow Management: Knowing the exact due dates well in advance allows for better planning of financial resources, preventing last-minute cash shortages.
- Maintains Credibility: Timely compliance reinforces a company’s reputation with tax authorities and stakeholders, reducing the risk of audits and inspections.
- Facilitates Accurate ITC Claims: When businesses file on time, they can promptly reconcile input tax credits (ITC), avoiding complications that arise from delayed filings.
- Reduces System Congestion: Early or on-time filing helps prevent portal traffic jams near the deadline, enabling smooth and error-free submissions.
Consequences of Non-Compliance
Failing to adhere to the Goods and Services Tax (GST) regulations can have severe repercussions for businesses of all sizes.
- Late Fees:
- GSTR-3B: Rs.50 per day (Rs.20 per day for nil returns), subject to a cap.
- GSTR-9: Revised and concessional late fee structures apply if turnover is up to Rs.5 crore or between Rs.5–20 crore.
Interest: 18% per annum on delayed payment of tax.
Penalties: Penalties can escalate if non-compliance is severe or persistent.
Blocking of E-Way Bills: Repeated default can block the generation of e-way bills, hampering goods movement.
Conclusion
An efficient GST compliance system is vital for businesses, professionals, and even government bodies aiming to maintain a transparent and fair tax environment. The GST Calendar and Important Dates for 2025–26 provide a structured roadmap to help you stay compliant, minimize penalties, and streamline your monthly or quarterly obligations.
Key Takeaways:
- Regularly update yourself with official notifications and CBIC circulars for due date extensions or waivers. Visit IndiaFilings for quick updates.
- Use LEDGERS Software to automate reminders for GSTR-1, GSTR-3B, CMP-08, and other returns.
- Always cross-check your turnover to decide if you should opt for monthly filing or the QRMP scheme.
- File the annual return (GSTR-9)and reconciliation statement (GSTR-9C) on time to avoid hefty late fees.
By following this comprehensive calendar and adopting best practices, you can ensure smooth GST filings for FY 2025–26, maintain a good compliance record, and focus on growing your business without the stress of last-minute filings.
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