₹
Invoism
Home/Free Tools/GST Due Date Calendar

GST Due Date Calendar

Track GST return filing due dates. Get reminders for GSTR-1, GSTR-3B, and annual returns.

GST Due Date Calendar

Want to automate this in your invoices?

Upgrade to Invoism Premium and automate all calculations, tax filing, and compliance.

View Plans

Need Help?

Our support team is here to assist you with any questions.

Contact Support →

Frequently Asked Questions

When are GST returns due?

GSTR-1 is due by 11th, GSTR-3B by 20th of next month. Annual returns (GSTR-9) are due by 31st December.

What happens if I file late?

Late filing incurs penalties: ₹200 per day (₹100 CGST + ₹100 SGST) with maximum ₹10,000, plus interest at 18% p.a.

Can I get an extension for GST filing?

Extensions are rarely granted. It's best to file on time to avoid penalties and interest.