Resource
Tax Calendar
Every federal deadline that matters, in one place.
Bookmark the deadlines that affect you. Our tax calendar covers individuals, partnerships, S Corps, C Corps, non profits, and quarterly payroll filings so nothing slips through the cracks. Review the full calendar below and set reminders 30, 14, and 3 days ahead of each date. When a deadline falls on a weekend or federal holiday, the IRS pushes the filing date to the next business day.
| Date | What's due |
|---|---|
| Jan 1 | First day of the calendar year. |
| Jan 15 | Q4 estimated tax payment due for individuals. |
| Jan 29 | IRS begins accepting individual tax returns. |
| Jan 31 | Q4 940/941 filings; W-2 and 1099-NEC issuance to recipients and the SSA/IRS. |
| Mar 17 | Partnership (1065) and S Corp (1120-S) filing deadline; extension requests due same day. |
| Apr 15 | Individual (1040) and C Corp (1120) filing deadline; Q1 estimated payments due; IRA and HSA contribution deadline for prior year. |
| Apr 30 | Q1 941 payroll tax filing deadline. |
| May 15 | Calendar year non profit 990 filing deadline. |
| Jun 17 | Q2 estimated tax payment due for individuals. |
| Jul 31 | Q2 941 payroll tax filing deadline. |
| Sep 16 | Q3 estimated tax payment due; extended partnership and S Corp returns due. |
| Oct 15 | Extended individual and C Corp return deadline. |
| Oct 31 | Q3 941 payroll tax filing deadline. |
| Nov 15 | Extended non profit 990 filing deadline. |
| Dec 31 | Last day to execute most calendar year tax strategies, including retirement contributions and charitable gifts. |
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