Every year since 1955, taxes have been due on April 15 … except for sometimes. Like the last two years. And this year. If you are a procrastinator, you’re in luck because you have until April 17, 2018, to file 2017 tax returns. Why? The April 15 tax day is postponed when that date falls on a weekend or legal holiday. This year April 15 was a Sunday which ordinarily would push the deadline to Monday. Today, Monday, April 16th is Emancipation Day which is observed in Washington D.C. and therefore the tax filing deadline is moved to April 17th. So for you last minute filers your little reprieve is now OVER! Read more here.