30 Apr Important Dates and Deadlines in April 2018 - , 28 May Memorial Day - , 4 Jul Independence Day - , 31 Jul Important Dates and Deadlines in July 2018 - , 3 Sep Labor Day - , 30 Sep Important Dates and Deadlines in September 2018 - , 8 Oct Columbus Day - , 31 Oct Important Dates and Deadlines in October 2018 - , 1 Nov Important Dates and Deadlines in November 2018 - , 12 Nov Veterans Day (Observed) - , 22 Nov Thanksgiving Day - , 25 Dec Christmas Day - ,