The following is a list of legal holidays and the dates on which they will be observed for calendar years 2010, 2011 and 2012. March 17 and June 17 remain legal holidays. However, all state offices shall remain open for business. Consult the Red Book or the relevant collective bargaining agreements with regard to compensatory time off or compensation for employees who work on holidays. Also see: http://www.mass.gov/bb/gaa/fy2011/os_11/h5.htm
Legal Holidays
| 2010 | 2011 | 2012 |
New Year's Day | January 1 | January 1 * | January 1 ** |
Martin Luther King Day | January 18 | January 17 | January 16 |
President's Day | February 15 | February 21 | February 20 |
+Evacuation Day (Suffolk County) | March 17 | March 17 | March 17 * |
Patriots' Day | April 19 | April 18 | April 16 |
Memorial Day | May 31 | May 30 | May 28 |
+Bunker Hill Day (Suffolk County) | June 17 | June 17 | June 17 ** |
Independence Day | July 4 ** | July 4 | July 4 |
Labor Day | September 6 | September 5 | September 3 |
Columbus Day | October 11 | October 10 | October 8 |
Veterans' Day | November 11 | November 11 | November 11 ** |
Thanksgiving Day | November 25 | November 24 | November 22 |
Christmas Day | December 25* | December 25 ** | December 25 |
* In the event a legal holiday falls on a Saturday, all offices under the jurisdiction of any department of state government shall be open to the public for business on the Friday proceeding any Saturday holiday.
Managers and confidential employees: As many employees as possible should be given that Friday off. Whenever possible, the following Monday shall be used as the alternative day off. Employees assigned to work shall be given an additional day off (see the Red Book).
Bargaining unit employees only: As many employees as possible should be given the preceding Friday or following Monday off. However employees who work both the preceding Friday and following Monday may earn a compensatory day to be taken at a time approved by the agency head within 60 days of the Saturday holiday. Except for operational reasons, employees will not be required to take either the Friday or Monday off.
** In the event a legal holiday falls on a Sunday, the holiday will be observed on the following Monday.
+ All state offices will remain open for business on these dates.
Please download the printable version
Legal Holiday memo 
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This information provided by the Human Resources Division.