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US Tax Deadlines 2026

tax-deadlines-usGlobal

Important civic deadlines and dates. Never miss a tax-deadlines-us deadline.

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Upcoming Deadlines (2)

Oct
15

Extended filing deadline (Form 4868)

Thu, Oct 15, 2026

Jan
15

Q4 2026 estimated tax payment

Fri, Jan 15, 2027

Last updated: Sat, Apr 18, 2026