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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: April 2026
11 May 2026
PeriodDeadlineStatus
April 202611 May 2026 27 days
May 202611 Jun 2026 58 days
Jun 202611 Jul 2026 88 days
Jul 202611 Aug 2026 119 days
Aug 202611 Sep 2026 150 days
Sep 202611 Oct 2026 180 days
Oct 202611 Nov 2026 211 days
Nov 202611 Dec 2026 241 days
Dec 202611 Jan 2027 272 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 90 days
Q2 (Jul–Sep 2026)13 Oct 2026 182 days
Q3 (Oct–Dec 2026)13 Jan 2027 274 days
Q4 (Jan–Mar 2027)13 Apr 2027 364 days

GSTR-3B

Monthly

Summary return & tax payment — turnover > ₹5 Cr

Next Due: Mar 2026
20 Apr 2026
PeriodDeadlineStatus
April 202620 May 2026 36 days
May 202620 Jun 2026 67 days
Jun 202620 Jul 2026 97 days
Jul 202620 Aug 2026 128 days
Aug 202620 Sep 2026 159 days
Sep 202620 Oct 2026 189 days
Oct 202620 Nov 2026 220 days
Nov 202620 Dec 2026 250 days
Dec 202620 Jan 2027 281 days
Jan 202620 Feb 2026 Overdue
Feb 202620 Mar 2026 Overdue
Mar 202620 Apr 2026 6 days

GSTR-9

Annual

Annual return — mandatory for turnover > ₹2 Cr

Next Due: FY 2024-25
31 Dec 2026
PeriodDeadlineStatus
FY 2024-2531 Dec 2026 261 days

GSTR-9C

Annual

Audit/reconciliation statement — turnover > ₹5 Cr

Next Due: FY 2024-25
31 Dec 2026
PeriodDeadlineStatus
FY 2024-2531 Dec 2026 261 days