Income Tax Due Date 2024. October 15, 2024 was the extended filing deadline for individual tax returns, sole proprietorships, and c corporations. 1 july 2024 to 14 july 2024.
Estimated tax payments on income earned during the third quarter of the year (june 1, 2024, through aug. For the 2023 tax year, the primary deadline for filing federal income tax returns is april.