Wednesday 01 Jan New Year's Day
Monday 20 Jan Martin Luther King, Jr. Day
Monday 17 Feb Washington's Day
Friday 18 Apr Good Friday
Monday 26 May Memorial Day
Thursday 03 Jul Early Close
Friday 04 Jul Independence Day
Monday 01 Sep Labor Day
Thursday 27 Nov Thanksgiving Day
Friday 28 Nov Early Close
Wednesday 24 Dec Christmas Eve (Early Close)
Thursday 25 Dec Christmas Day
Source: http://www.nyse.com/Frameset.html?displayPage=/about/1022963613686.html