<P> If a holiday occurs on Sunday, service will be observed on Monday . </P> <P> The ten postal holidays are: </P> <Table> <Tr> <Th> Date </Th> <Th> Official Name </Th> <Th> Remarks </Th> </Tr> <Tr> <Td> January 1 </Td> <Td> New Year's Day </Td> <Td> Celebrates beginning of the Gregorian calendar year . Festivities include countdowns to midnight . </Td> </Tr> <Tr> <Td> Third Monday in January </Td> <Td> Birthday of Martin Luther King, Jr . </Td> <Td> Honors Martin Luther King, Jr., Civil Rights leader; combined with other holidays in several states (traditionally January 15) </Td> </Tr> <Tr> <Td> Third Monday in February </Td> <Td> Washington's Birthday </Td> <Td> Honors George Washington . Often popularly observed as "Presidents Day" in recognition of other American presidents, such as Abraham Lincoln, born February 12 . </Td> </Tr> <Tr> <Td> Last Monday in May </Td> <Td> Memorial Day </Td> <Td> Honors the nation's war dead; unofficially marks the beginning of summer . (traditionally May 30) </Td> </Tr> <Tr> <Td> July 4 </Td> <Td> Independence Day </Td> <Td> Celebrates Declaration of Independence, usually called the Fourth of July . </Td> </Tr> <Tr> <Td> First Monday in September </Td> <Td> Labor Day </Td> <Td> Celebrate achievements of workers and the labor movement; unofficially marks the end of summer and the return to school for students in most parts of the United States . </Td> </Tr> <Tr> <Td> Second Monday in October </Td> <Td> Columbus Day </Td> <Td> Honors Christopher Columbus, traditional discoverer of the Americas . In some areas it is also a celebration of Italian culture and heritage . (traditionally October 12) </Td> </Tr> <Tr> <Td> November 11 </Td> <Td> Veterans Day </Td> <Td> Honors all veterans of the United States armed forces . </Td> </Tr> <Tr> <Td> Fourth Thursday in November </Td> <Td> Thanksgiving Day </Td> <Td> Traditionally celebrates giving thanks for the autumn harvest, and customarily includes the consumption of a turkey dinner . </Td> </Tr> <Tr> <Td> December 25 </Td> <Td> Christmas Day </Td> <Td> Celebrates the Nativity of Jesus which is traditionally observed on 25 December . Secular aspects of this holiday include giving gifts and decorating a Christmas tree . </Td> </Tr> </Table> <Tr> <Th> Date </Th> <Th> Official Name </Th> <Th> Remarks </Th> </Tr>

Does the usps mail run on president's day