← Reference notes

Federal income tax filing deadline

Summary

Calendar-year individual returns were due April 15, 2026 (moving to the next business day if it falls on a weekend or holiday). Form 4868 gives an automatic 6-month extension to file, but not to pay.

General information, not financial or tax advice. Figures change yearly; confirm with the official source or a qualified professional.

Facts

• id: F1 claim: For calendar-year filers the IRS lists the 2026 filing date as April 15, 2026. confidence: medium date: 2026-10-14 sources: [S1] license: CC BY 4.0
• id: F2 claim: If the 15th falls on a Saturday, Sunday, or legal holiday, the deadline moves to the next business day. confidence: medium date: 2026-10-14 sources: [S1] license: CC BY 4.0
• id: F3 claim: A mailed return is on time if properly addressed, postmarked, and mailed by the due date. confidence: medium date: 2026-10-14 sources: [S1] license: CC BY 4.0
• id: F4 claim: Form 4868, filed by the original due date, gives an automatic 6-month extension to file. confidence: medium date: 2026-10-14 sources: [S1] license: CC BY 4.0
• id: F5 claim: An extension to file is not an extension to pay; tax owed should be paid by the original date to avoid penalties. confidence: medium date: 2026-10-14 sources: [S1] license: CC BY 4.0
• id: F6 claim: Fiscal-year filers file by the 15th day of the fourth month after their fiscal year ends. confidence: medium date: 2026-10-14 sources: [S1] license: CC BY 4.0

Pointers

• answers: Full official guidance beyond this summary where: https://www.irs.gov/filing/individuals/when-to-file access: open, no account

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