GST Return Due Dates for FY 2026–27

Managing GST compliance is a critical task for MSMEs in India, and staying on top of deadlines can save your business from unnecessary penalties. This GST calendar FY 2026-27 provides a complete overview of all essential GST filing dates, including monthly and quarterly returns. From GSTR-1 due dates and GSTR-3B deadlines to QRMP GST filing schedules, this guide ensures small businesses can plan and file on time without stress.

Understanding your obligations under GST not only keeps your business compliant but also improves cash flow management and audit readiness. Whether you are a startup, a growing MSME, or a seasoned business owner, this MSME GST calendar India 2026-27 is designed to simplify compliance. Along with exact filing dates, you’ll find guidance on late fees, penalties, and interest rates, helping you avoid costly mistakes. With clear tables, month-wise breakdowns, and practical tips, this guide is your one-stop resource for managing GST returns efficiently in FY 2026-27. Stay proactive, file on time, and focus on growing your business while keeping compliance stress-free.

Complete Month-Wise GST Calendar for MSMEs

If you run a business in India, keeping track of GST return date isn’t optional. It’s the backbone of staying compliant and avoiding penalties. What this really means is simple: when you know the exact GST due dates for FY 2026-27, you file on time, avoid penalties, and keep your books sorted. This guide brings everything together in one place: month-wise GST filing dates for FY 2026-2027, GSTR-1 and GSTR-3B due dates, QRMP timelines, annual return deadlines, and practical tips for MSMEs who want stress-free GST compliance.

Month-Wise GST Filing Calendar for FY 2026–27

Once small business owners understand the month-wise GST filing dates, managing GST schedule compliance becomes far easier. Sharing a GST calendar covering GSTR-1, GSTR-3B, GSTR-7, GSTR-8, and other GST return chart timelines for each month of FY 2026–27, and fourth quarter filing dates for 2025-2026.

January GST Due Date 2026

• GSTR-1: 11 February 2026

• GSTR-3B: 20 February 2026

• GSTR-7 & 8: 10 February 2026

• GSTR-5 & 5A: 13 February 2026

• GSTR-6: 13 February 2026

February 2026 GST Due Date 2026

• GSTR-1: 11 March 2026

• GSTR-3B: 20 March 2026

• GSTR-7 & 8: 10 March 2026

• GSTR-5 & 5A: 13 March 2026

• GSTR-6: 13 March 2026

March 2026 GST Due Date 2026

• GSTR-1: 11 April 2026

• GSTR-3B: 20 April 2026

• GSTR-7 & 8: 10 April 2026

• GSTR-5 & 5A: 13 April 2026

• GSTR-6: 13 April 2026

Form-Wise GST Filing Dates for FY 2026–27

Let’s break this down form by form so you always know what’s due when.

• GSTR-1 (Monthly)
  Due every month on the 11th.
• GSTR-3B (Monthly)
  Due every month on the 20th.
• GSTR-7 (TDS)
  Due on the 10th of every month.
• GSTR-8 (TCS)
  Also due on the 10th.
• GSTR-6 (ISD Return)
  Due on the 13th of every month.
• GSTR-5 & GSTR-5A (Non-Resident Taxpayers)
  Due on the 13th.
• GSTR-4 (Composition Scheme Annual Return)
  Due 30 April 2027 for FY 2026–27.
• GSTR-9 (Annual Return)
  Deadline: 31 December 2027.
• GSTR-9C (Audit/Reconciliation Statement)
  Also due 31 December 2027.

Read: What is GSTR Filing, who should file GST, and what GST filing due dates?

Which GST Returns Apply to Your Business? (MSME Compliance Guide)

This table helps MSMEs quickly identify which GST returns they need to file based on their business type and registration. Use it to ensure you’re filing the right forms on time and staying compliant.

GST Late Fees, Penalties, and Interest in 2026-2027

Missing GST deadlines affects your cash flow unnecessarily. Here’s a quick summary of GST payment date, GST late fees, penalties, and interest, so you know how much can be charged.

GST Late Fee

• Rs 50 per day (GSTR-1, GSTR-3B)
• Rs 20 per day for nil returns
• Caps apply depending on form type

Penalty for Late GST Filing

Not filing for GST payment beyond a certain period triggers additional penalties under GST law.

Interest on Delayed GST payment

• 18% per annum on delayed GST payment.

How to Avoid GST Fees

• Set GST calendar reminders
• Use automated GST filing software
• Track deadlines inside the GST portal
• Enable WhatsApp or email notifications from your software

GST Return Filing Software That Makes GST Compliance Easier for MSMEs

Most small businesses don’t miss deadlines because they want to. They miss them because they’re managing too many things at once. A smart GST billing software like GimBooks solves half the problem.

Here’s how it helps by providing the following:

• Automated GST filing
• Auto-populated GSTR-1 and GSTR-3B
• Filing before GST deadline
• Error-free and compliant invoice generation
• Easy GST portal linking
• Payment Reminders & more.

Look for software made for MSMEs so you don’t end up overpaying for features you’ll never use.

Staying Ahead of GST Deadlines

Managing GST filings can get hectic, but staying ahead is easier with a few simple practices. Set calendar reminders, use automated GST filing software, and regularly check the GST portal for upcoming due dates. Timely action not only keeps your business compliant but also helps avoid late fees, interest, and unnecessary penalties.

Conclusion for Complete Month-Wise GST Calendar

Timely GST filing isn’t just about avoiding penalties. Staying updated with GST due dates India 2026-27 keeps your monthly vs. quarterly GST filing in India compliant, your cash flow stable, and your books audit-ready. Once you follow a clear GST filing calendar aligned with the latest GST due dates India 2026-27, the entire compliance process becomes predictable and far less stressful.

Explore - GST Filing Due Dates for March 2026

What is the GST filing date this month?

Check the main section of this guide or the GST portal dashboard for your current month’s GSTR-1 and GSTR-3B due dates.

What is GSTR-1 and its monthly due date?

GSTR-1 is a return that captures details of outward supplies (sales). It is due on the 11th of every month for monthly filers and on the 13th following the quarter for QRMP taxpayers.

What happens if I file GSTR-3B late?

Late filing attracts late fees and interest on any pending tax amount.

When is the annual GST return due?

GSTR-9 and GSTR-9C are due on 31 December 2027 for FY 2026–27.

How can MSMEs avoid GST late fees?

MSMEs can avoid late fees by setting reminders, automating filings through GST software, and regularly checking the GST portal for upcoming deadlines.

What is the due date for QRMP filing?

Under the QRMP scheme, GSTR-1 is due on the 13th after the end of the quarter, and GSTR-3B is due on the 22nd or 24th of the month following the quarter.

Can I file GST without a CA?

Yes, businesses can file GST returns themselves using GST-compliant software without necessarily hiring a CA.

What is the ISD (GSTR-6) return due date?

The ISD return (GSTR-6) is due on the 13th of every month. Input Service Distributors must file it to report and distribute eligible input tax credit to their registered branches on time.