What is the due date for filing 2018 Form 1040?
Typically, the deadline for filing your federal income taxes is April 15. However, April 15, 2019, falls on a Sunday, and some areas recognize Monday as a holiday. So the tax deadline for filing federal income taxes is Monday, April 15, 2019. If your six-month IRS extension is approved, you will have until October 15, 2019, to file your required forms.