2014 : Happy Holidays from the U.S. Department of Interior Calendar Add to Calendar Add to Timely Calendar Add to Google Add to Outlook Add to Apple Calendar Add to other calendar Export to XML When: December 22, 2018 all-day Repeats 2018-12-22T00:00:00-05:00 2018-12-23T00:00:00-05:00 Happy Holidays from the U.S. Department of Interior