2024 Tax Extension Deadline 2024 Ford. 15, 2024, to file a completed return with the irs. 15, your penalty and interest calculations are grandfathered back to the original april 15 due date for 2024 tax returns.

Make sure you pay any. For your 2023 personal federal taxes, the deadline to file an extension and pay any taxes is midnight, april 15, 2024.