What's a.m. and p.m.?

2 Answers

In Latin, the middle of the day, or noon is called meridiem. A M means ante meridiem, or before noon. P M means post meridiem, or after noon.

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Points points 524

A.M. stands for the Latin "ante meridian," which means "before noon"; while P.M. stands for "post meridian," which means "after noon".

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Points points 94

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