Last Day For Tax Return 2024. Tax day this year was april 15, 2024, when most people had to file their federal income tax return for the 2023 tax year. This year’s deadline falls on monday, april 15, for most americans, except for residents of maine and massachusetts, who have until april 17.
December 31, 2024, is the last day of the tax year and is also the last day to make contributions to your 401(k) plan or to incur expenses you expect to deduct when you file your. April 15 is the last day for most taxpayers to file their taxes on time in 2024.