Plus Deutsch is German for German, henceforth the explaination on why the Pennsylvania Dutch are called that when they are really German and not Dutch. The Dutch from the Netherlands also got their ethnic name derived from the German term Deutsch as well believe it or not. If you're Dutch, then you are from Denmark.
1 Deadline for filing a 2015 personal, partnership, or calendar year estates/trusts tax returns or extension.  The return or extension must be postmarked or transmitted for e-filing by Monday, April 18, 2016 (April 19 for Maine and Massachusetts residents).
If you need more time to file your return, you can get an automatic six-month extension of time to file from the IRS. You must file for an extension by the April 17 deadline. An extension will give you extra time to get your paperwork to the IRS, but it does not extend the time you have to pay any tax due.