Question: is mail delivered on saturday before memorial day

Answer: Yes, 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.