Definition of “p.m.” - English Dictionary

british dictionary

“p.m.” in American English

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p.m.adverb [ not gradable ]

also P.M. us /ˈpiˈem/

used when referring to a time between twelve o’clock in the middle of the day and twelve o’clock at night; in the afternoon or evening or at night:

Our plane is due to arrive at 8:30 p.m.

(Definition of “p.m.” from the Cambridge Academic Content Dictionary © Cambridge University Press)