Form 7004 Due Date Calculator
Quick answer
Pick the return and the last day of the tax year. The calculator shows when Form 7004 is due and when the extended return is due, with weekend and District of Columbia holiday rollover.
Calculate your dates
Add the 2027 calendar-year deadlines to your calendar.
How the dates are worked out
Form 7004 is due on the return's original due date: the 15th day of a set month after the tax year ends. The extended due date adds the extension period to that date. If either date lands on a Saturday, Sunday or a legal holiday in the District of Columbia, it moves to the next business day. The rule for each return.
Returns it covers
- Form 1065 (partnerships) and Form 1120-S (S corporations)
- Form 1120 (C corporations), including the June 30 year-end rule
- Form 1120-F (foreign corporations), with or without a U.S. office
- Form 1041 (trusts and estates, and bankruptcy estates)
What it doesn't cover
- Other returns. For the other form codes, Form 7004 is due by that return's own due date. Check its instructions. All form codes.
- June 30 C corporations whose year begins in 2026. The calculator asks you to check the 2026 Form 1120 instructions.
- Statewide holidays and disaster postponements. The IRS can postpone deadlines for a disaster area. Disaster relief.
Need dates for a whole year of month-ends? See the fiscal-year deadline table.
Fill out Form 7004 free. No account needed.