Tax deadlines calendar for 2025-2026
Tax deadlines vary by filing status and payment type, but most taxpayers face quarterly estimated payment dates and an April filing deadline. Use this guide as a high-level checklist and confirm exact dates with official IRS calendars, especially for disaster relief or weekend adjustments.
Typical annual filing window
- Most individual returns are due in April.
- Extensions move the filing deadline later but do not extend payment deadlines.
Quarterly estimated payment cadence
- Quarterly payments are generally due in spring, early summer, fall, and January.
- Self-employed and investment income earners should plan ahead.
Avoid deadline penalties
- Pay estimated tax on time even if you file later.
- Use safe harbor rules to reduce penalty risk.
- Set reminders for state deadlines as they may differ.
Related calculators
Deadline countdown by situation
See upcoming IRS deadlines based on your situation.
Quarterly estimated payments planner
Plan quarterly tax payments with projections.
Extension impact calculator
Estimate extension penalties and timing risk.
Safe harbor estimator
Confirm safe harbor thresholds.
Underwithholding penalty risk
Estimate underpayment penalty exposure.
FAQ
Does an extension give me more time to pay?
No. Extensions typically only extend the filing deadline, not the payment deadline.
Where can I confirm exact IRS deadlines?
Always verify with the official IRS tax calendar, especially if holidays or disasters affect deadlines.
Updated 2026-01-20. TaxGuide Pro provides educational tax guidance, not legal advice.