Federal tax deadlines at a glance
A quick reference to common filing and estimated tax due dates.
Quick deadline overview
Tax due dates
A visual reference for common federal deadlines. State deadlines can differ — verify on your state’s official site.
Common federal deadlines
Deadlines can shift due to weekends, holidays, disaster relief, or IRS guidance. Confirm current-year dates using official sources.
Estimated tax payment — Q4
Common final estimated tax installment for the prior year.
Partnership & S-Corp returns
Common timing for Form 1065 and Form 1120-S (calendar-year entities).
Individual return due, extension request, and estimated tax — Q1
Form 1040 filing deadline, Form 4868 extension request, and the first estimated tax installment.
Estimated tax payment — Q2
Common second estimated tax installment.
Estimated tax payment — Q3
Common third estimated tax installment.
Extended 1040 filing deadline
If you filed an extension, you may have until mid-October to file.
Notes
Federal deadlines may change due to weekends/holidays, disaster relief, or IRS guidance. Business deadlines can differ for fiscal-year entities. State filing and payment deadlines may not match federal deadlines.
Disclaimers
This page provides general information and links to official resources. It is not legal or tax advice. Always confirm current deadlines using official IRS/state sources.