Tax Day in 2024 and 2025

Tax Day for most people is April 15, but the exact date shifts slightly each year depending on weekends and federal holidays. In 2024, Tax Day was Monday, April 15. In 2025, Tax Day is Monday, April 15 again. In 2026, it moves to Tuesday, April 15.

The IRS does not move Tax Day for personal convenience — only for federal holidays that fall on April 15 itself or the Friday before it. When April 15 lands on a Saturday or Sunday, the important date moves to the following Monday. If a federal holiday (like Emancipation Day in Washington, D.C., observed on June 19) falls on April 15, the important date shifts to the next business day.

If you file electronically and owe money, your return must be submitted by 11:59 p.m. Eastern Time on Tax Day. If you file on paper, the IRS uses the postmark date — your return must be postmarked by Tax Day, not received by Tax Day.

Key Takeaways

  • Tax Day is April 15 in most years, but moves to the next business day if April 15 falls on a weekend or federal holiday.
  • Electronic returns must be submitted by 11:59 p.m. Eastern Time; paper returns must be postmarked by Tax Day.
  • Filing an extension moves your important date to October 15, but does not extend the time to pay taxes owed.
  • Penalties for late filing start at 5 percent of unpaid taxes per month, and interest accrues daily on any balance you owe.
  • If you expect a refund, filing late means your refund arrives later, but you face no penalty.

What Happens If You Miss Tax Day

Missing Tax Day without filing an extension triggers two separate penalties. The failure-to-file penalty is 5 percent of your unpaid tax liability for each month or partial month your return is late, up to 25 percent total. The failure-to-pay penalty is 0.5 percent per month on any tax you owe but did not pay by Tax Day, also capped at 25 percent.

Interest compounds daily on any unpaid balance. The IRS sets the interest rate quarterly — it is currently around 8 percent annually, but changes based on federal rates. Interest accrues from Tax Day forward, regardless of when you file.

If you owe a large amount and cannot pay by Tax Day, filing your return on time still limits your penalties. You will owe the failure-to-pay penalty and interest, but you avoid the steeper failure-to-file penalty. The IRS also offers payment plans and short-term extensions to pay without penalty if you request them before Tax Day.

Filing an Extension and What It Does and Does Not Cover

An extension moves your filing important date from April 15 to October 15 — six additional months. You request an extension by filing Form 4868 (process for Automatic Extension of Time To File U.S. Individual Income Tax Return) before Tax Day. You can file Form 4868 electronically through tax software, by mail, or by phone.

An extension delays when you must submit your return, but it does not delay when you must pay taxes owed. If you owe money, you still owe it by April 15. Paying by Tax Day even if you have not filed your return stops the failure-to-pay penalty from accruing. You can estimate what you owe, pay that amount by Tax Day, and file your actual return later with Form 4868.

If you file Form 4868 and pay nothing by Tax Day, you owe both the failure-to-pay penalty and interest on the unpaid balance from April 15 forward. The extension itself costs nothing and does not require approval — the IRS grants it automatically if you file the form on time.

Who Must File by Tax Day

You must file a return by Tax Day if your income exceeds the standard deduction for your filing status and age. The standard deduction changes each year — in 2024 it was $13,850 for single filers under 65, and $20,550 for married filing jointly under 65. In 2025, these amounts increased slightly.

Even if your income is below the standard deduction, you may need to file to claim a refund. If your employer withheld taxes from your paychecks or you made estimated tax payments, filing a return gets you that money back. There is no penalty for filing early or for filing when you do not owe — the important date only matters if you owe money or are required to file.

Self-employed people, business owners, and people with investment income often have different rules. If you received a Schedule C (self-employment income), Schedule K-1 (partnership or S-corporation income), or significant capital gains, check whether your situation requires filing even if your total income is low.

State Tax Day and Local important date

Most states align their tax important date with the federal important date — April 15. However, some states do not have an income tax, and a few have different important date. Virginia, for example, has historically allowed an extra month, though this varies. Louisiana sometimes extends its important date for residents affected by hurricanes.

If you live in a state with income tax, assume your state return is due April 15 unless you have confirmed otherwise. Filing a federal extension with Form 4868 automatically extends your state important date in most states, but not all. Check your state tax agency's website to confirm whether your extension covers both federal and state returns.

Some cities and counties impose local income taxes separate from state tax. These important date are usually the same as the federal important date, but you must verify with your local tax authority. Philadelphia, for example, has a local wage tax with an April 15 important date.

Penalties and Interest: How They Add Up

The IRS charges penalties and interest separately, and both grow quickly if you do not file or pay. A failure-to-file penalty of 5 percent per month means that if you file six months late, you owe 30 percent of your unpaid tax in penalties alone, before interest.

Interest is calculated daily using a formula the IRS publishes quarterly. At the current rate of roughly 8 percent annually, interest on a $5,000 unpaid balance compounds to about $400 per year. Over two years, that same $5,000 balance grows to roughly $5,850 with interest and penalties combined.

The IRS will not waive these penalties unless you have a reasonable cause — serious illness, death in the family, or a mistake by a tax professional you hired. Claiming you did not know the important date or forgot does not may have access to. If you have a legitimate reason for filing late, you can request a penalty waiver by filing Form 843 (Claim for Refund and Request for Abatement) after you file your return.

What to Do If You Cannot File by Tax Day

If you do not have all your documents by Tax Day, file Form 4868 before April 15. This costs nothing and takes minutes. You can file it through your tax software, mail it to the IRS, or call 1-888-796-1074 to file by phone.

If you owe money, estimate what you think you owe and pay that amount by Tax Day using the IRS payment portal, a payment plan, or a check mailed to the IRS. Paying something by Tax Day, even if it is not the full amount, stops the failure-to-pay penalty from growing. You can file your actual return and pay any remaining balance later.

If you cannot pay what you owe, request a payment plan before Tax Day. The IRS offers short-term plans (120 days or less) at no cost and long-term installment agreements for a setup fee. A payment plan does not erase penalties or interest, but it prevents additional penalties for non-payment and gives you time to pay without the IRS taking collection action.

Frequently Asked Questions

What time does the IRS important date close on Tax Day?

Electronic returns must be submitted by 11:59 p.m. Eastern Time on Tax Day. If you are filing by mail, the postmark date is what counts — your return must be postmarked by Tax Day, not received by Tax Day. If you mail your return on Tax Day, use certified mail to prove the postmark date.

Do I get a penalty if I file late but I am owed a refund?

No. The failure-to-file penalty only applies if you owe taxes. If you are owed a refund, filing late means your refund arrives later, but you face no penalty. However, you cannot claim a refund more than three years after the original Tax Day, so filing very late may cost you the refund entirely.

Can I file my return after October 15 if I filed an extension?

Yes, but you will owe penalties and interest for every day after October 15 that you do not file. The extension gives you until October 15 to file without the failure-to-file penalty; filing after that date triggers the penalty again. There is no second extension unless you have a serious reason and request it in writing before October 15.

What if Tax Day falls on a weekend?

If April 15 falls on a Saturday, your important date is Monday, April 17. If April 15 falls on a Sunday, your important date is Monday, April 16. The IRS always moves the important date to the next business day when April 15 is not a weekday.

Do I need to file a return if I did not earn much money?

You must file if your income exceeds the standard deduction for your filing status. In 2025, that is $13,850 for single filers under 65. However, you should file even if your income is below the standard deduction if your employer withheld taxes or you made estimated payments — filing gets your refund back.