GST Due Date Checker
See your next GSTR-1, GSTR-3B, and GSTR-9 due dates based on whether you file monthly or under QRMP.
GSTR-111 August 2026
GSTR-3B20 August 2026
GSTR-9 (annual, indicative)31 December 2027
Dates shown follow the standard 11th/20th (monthly) or 13th/22nd/25th (QRMP) pattern. The government can extend specific due dates by notification, so confirm on the GST portal before a filing deadline.
Need help beyond a calculation? Talk to a GST expert.