Federal tax deadlines for the 2025 tax year fall into two big buckets: when you file your 2025 return, and when 2025 estimated/quarterly payments are due if you pay as you go.

Core 2025 deadlines at a glance

  • 2025 individual return (Form 1040) for 2025 income:
    Due April 15, 2026 for most calendar‑year individual taxpayers.

(If April 15 ends up a weekend or legal holiday for your location, the deadline moves to the next business day.)

  • Quarterly/estimated tax payments for 2025 income (federal, calendar‑year individuals):
1. Income earned Jan 1–Mar 31, 2025 → **Payment due April 15, 2025**
2. Income earned Apr 1–May 31, 2025 → **Payment due June 16, 2025** (moved from June 15 because of weekend/holiday rules)
3. Income earned Jun 1–Aug 31, 2025 → **Payment due September 15, 2025**
4. Income earned Sep 1–Dec 31, 2025 → **Payment due January 15, 2026**

These dates apply if you’re a calendar‑year individual taxpayer (most people are) and you’re making federal estimated tax payments (common for self‑employed folks, investors, landlords, etc.).

Mini breakdown: “2025 taxes” vs “2025 payments”

Many people mix up two different ideas:

  • “2025 taxes ” = the tax return you’ll file in 2026 for income you earned in 2025. That filing deadline is April 15, 2026.
  • “2025 tax payments ” = money you pay during 2025 and early 2026 to cover that 2025 bill, often via quarterly estimated payments on the April/June/September/January schedule above.

A simple story version:
Imagine you’re self‑employed in 2025. You make a chunk of profit early in the year, then more in summer and fall. The IRS doesn’t want to wait until April 2026 to see a dime, so they expect you to send four “check‑ins” across the year (April 15, June 16, September 15, and January 15) that roughly match your earnings as you go.

Special situations and wrinkles

A few important twists to keep in mind:

  • Farmers and fishers: If at least two‑thirds of your gross income is from farming or fishing, you can often make just one estimated payment by January 15, 2026 for your 2025 tax year instead of four quarterly payments.
  • State deadlines: States can have their own calendars , though many echo the federal pattern of mid‑April filing and similar estimated dates; for example, New York lists estimated 2025 payments on April 15, June 16, 2025, September 15, 2025, and January 15, 2026 for certain taxpayers.
  • Disaster/relief areas: If you’re in a federally declared disaster zone, some of your 2025 deadlines may be postponed , sometimes by months.
  • Weekends/holidays: Any due date landing on a Saturday, Sunday, or legal holiday moves to the next business day , which is why June 16 shows up instead of June 15 in 2025.

Quick HTML table of key 2025 federal dates

Here’s an HTML table you can reuse directly if you need it in a post or page:

html

<table>
  <thead>
    <tr>
      <th>What</th>
      <th>Period covered</th>
      <th>Federal due date</th>
      <th>Tax year</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>1st estimated payment</td>
      <td>Jan 1 – Mar 31, 2025</td>
      <td>April 15, 2025</td>
      <td>2025</td>
    </tr>
    <tr>
      <td>2nd estimated payment</td>
      <td>Apr 1 – May 31, 2025</td>
      <td>June 16, 2025</td>
      <td>2025</td>
    </tr>
    <tr>
      <td>3rd estimated payment</td>
      <td>Jun 1 – Aug 31, 2025</td>
      <td>September 15, 2025</td>
      <td>2025</td>
    </tr>
    <tr>
      <td>4th estimated payment</td>
      <td>Sep 1 – Dec 31, 2025</td>
      <td>January 15, 2026</td>
      <td>2025</td>
    </tr>
    <tr>
      <td>File 2025 individual tax return (Form 1040)</td>
      <td>All 2025 income</td>
      <td>April 15, 2026</td>
      <td>2025</td>
    </tr>
  </tbody>
</table>

All of this is general information, not personalized tax advice, so it’s still wise to confirm your exact dates with a tax pro or the IRS if your situation is at all unusual.