Below are listed Public Holidays for the January 2009-December 2010 period.

2009
1 Jan New Year's Day.
9 Jan Commonwealth Day.
16 Feb President's Day.
24 Mar Covenant Day. 
10 Apr Good Friday.
25 May Memorial Day.
4 Jul US Independence Day. 
7 Sep Labour Day. 
12 Oct Columbus Day.
4 Nov Citizenship Day.
11 Nov Veterans' Day.
26 Nov Thanksgiving Day.
9 Dec Constitution Day.
25 Dec Christmas Day.

2010
1 Jan New Year's Day.
9 Jan Commonwealth Day.
15 Feb President's Day.
24 Mar Covenant Day. 
2 Apr Good Friday.
24 May Memorial Day.
4 Jul US Independence Day. 
6 Sep Labour Day. 
11 Oct Columbus Day.
4 Nov Citizenship Day.
11 Nov Veterans' Day.
25 Nov Thanksgiving Day.
9 Dec Constitution Day.
25 Dec Christmas Day.

Variations occur from island to island.
Where a holiday falls on a Saturday or Sunday, the Northern Mariana Islands follow specific rules moving the holiday to a Friday or Monday. These changes have not been taken into account in the dates above.