In the United States, a Postal holiday is a Federal holiday recognized by the United States Postal Service, during which no mail is delivered.
Part 608, section 3.2 of the DMM (U.S. Domestic Mail Manual) groups holidays into "Widely Observed" and "Not Widely Observed". Holidays "Widely Observed" include New Year’s Day, Memorial Day, Independence Day, Labor Day, Thanksgiving Day, and Christmas Day. Holidays "Not Widely Observed" are Martin Luther King, Jr.’s Birthday; Presidents Day; Columbus Day; and Veterans Day.
If a holiday occurs on Sunday, service will be observed on Monday.
List of Holidays
The ten postal holidays are:
This list is nearly identical to the list of Federal holidays, but does not include inauguration day. If a postal holiday falls on a Sunday, it is observed on the following Monday.
Canada Post also maintains a list of Postal Holidays.
This article incorporates public domain material from websites or documents of the United States Postal Service.