PM

The abbreviation PM, which stands for post meridiem is used to label the times between noon and midnight. It is a Latin phrase that means "after noon."


Did you know?

A sundial is an instrument that shows the time of day by the shadow of a pointer on a flat surface. Sundials were used to keep time before mechanical clocks were invented. This photo shows a "human sundial" installed in a schoolyard in Lafayette, Louisiana.


Also written as P.M., pm, and p.m.

See also AM.