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GST Due Dates — FY 2026-27

Track compliance deadlines for your monthly, quarterly, and annual returns

GSTR-1

Monthly

Outward supply details — monthly filers

Next Due: May 2026
11 Jun 2026
PeriodDeadlineStatus
April 202611 May 2026 Overdue
May 202611 Jun 2026 29 days
Jun 202611 Jul 2026 59 days
Jul 202611 Aug 2026 90 days
Aug 202611 Sep 2026 121 days
Sep 202611 Oct 2026 151 days
Oct 202611 Nov 2026 182 days
Nov 202611 Dec 2026 212 days
Dec 202611 Jan 2027 243 days
Jan 202611 Feb 2026 Overdue
Feb 202611 Mar 2026 Overdue
Mar 202611 Apr 2026 Overdue

GSTR-1 (Q)

Quarterly

Outward supply details — QRMP scheme filers

Next Due: Q1 (Apr–Jun 2026)
13 Jul 2026
PeriodDeadlineStatus
Q1 (Apr–Jun 2026)13 Jul 2026 61 days
Q2 (Jul–Sep 2026)13 Oct 2026 153 days
Q3 (Oct–Dec 2026)13 Jan 2027 245 days
Q4 (Jan–Mar 2027)13 Apr 2027 335 days

GSTR-3B

Monthly

Summary return & tax payment — turnover > ₹5 Cr

Next Due: April 2026
20 May 2026
PeriodDeadlineStatus
April 202620 May 2026 7 days
May 202620 Jun 2026 38 days
Jun 202620 Jul 2026 68 days
Jul 202620 Aug 2026 99 days
Aug 202620 Sep 2026 130 days
Sep 202620 Oct 2026 160 days
Oct 202620 Nov 2026 191 days
Nov 202620 Dec 2026 221 days
Dec 202620 Jan 2027 252 days
Jan 202620 Feb 2026 Overdue
Feb 202620 Mar 2026 Overdue
Mar 202620 Apr 2026 Overdue

GSTR-9

Annual

Annual return — mandatory for turnover > ₹2 Cr

Next Due: FY 2024-25
31 Dec 2026
PeriodDeadlineStatus
FY 2024-2531 Dec 2026 232 days

GSTR-9C

Annual

Audit/reconciliation statement — turnover > ₹5 Cr

Next Due: FY 2024-25
31 Dec 2026
PeriodDeadlineStatus
FY 2024-2531 Dec 2026 232 days