2024 Taxes Due Date Extension. For tax year 2023 (filed in 2024), you needed to submit your tax extension request by monday, april 15—the regular tax filing deadline—or face a penalty. To avoid a possible late filing penalty,.
The end of the tax season is april 15, but if you request an extension, the irs will let you have until oct. Tax day was monday, april 15, 2024, but some exceptions exist.