Tax Deadlines 2025: Key Dates You Can't Miss (USA, UK, Canada)
Missing a tax deadline can be expensive. We've compiled the essential tax calendar for 2025 so you can file on time and avoid penalties.
⚠️ Why Deadlines Matter
Penalties for late filing can be up to 5% of your unpaid taxes per month. Interest also accrues daily. Mark these dates in your calendar now!
📋 Table of Contents
1. USA Tax Deadlines (IRS)
| Date | Action Required |
|---|---|
| Jan 31, 2025 | Deadline for employers to mail W-2s and 1099s. |
| Apr 15, 2025 | Tax Day! Deadline to file Individual Income Tax Return (Form 1040) or request an extension. |
| Oct 15, 2025 | Extended deadline to file your return (if you requested an extension). |
2. UK Tax Deadlines (HMRC)
The UK tax year runs from April 6 to April 5. Deadlines are strictly enforced.
| Date | Action Required |
|---|---|
| Jan 31, 2025 | Deadline for Online Self Assessment tax return for 2023/24 tax year. Also deadline to pay tax bill. |
| Apr 5, 2025 | End of 2024/25 Tax Year. |
| Jul 31, 2025 | Second Payment on Account due for 2024/25 tax year. |
| Oct 31, 2025 | Deadline for Paper Self Assessment tax returns. |
3. Canada Tax Deadlines (CRA)
| Date | Action Required |
|---|---|
| Mar 1, 2025 | Deadline to contribute to RRSP for the 2024 tax year. |
| Apr 30, 2025 | Deadline to file personal income tax return and pay any balance due. |
| Jun 15, 2025 | Filing deadline for self-employed individuals (Note: Any tax owing is still due by Apr 30). |
4. Estimated Tax Payments (USA)
If you are self-employed or have significant income not subject to withholding, you must make quarterly estimated tax payments.
Q1 Payment (Jan-Mar)
Due: April 15, 2025
Q2 Payment (Apr-May)
Due: June 16, 2025
Q3 Payment (Jun-Aug)
Due: Sept 15, 2025
Q4 Payment (Sep-Dec)
Due: Jan 15, 2026
5. How to File an Extension
Need more time? You can get an automatic 6-month extension to file. But remember:
⚠️ An extension to FILE is NOT an extension to PAY.
You must estimate your tax liability and pay any amount due by the original deadline (April 15 in the US) to avoid late-payment penalties.
USA: File Form 4868 electronically or by mail.
Conclusion
Mark these dates in your calendar now. Setting reminders a week or two in advance can save you significant stress and money. If you're unsure about your specific situation, consult with a tax professional well before the deadline.