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a.m.

(also am)
 
 
/ˌeɪˈem/

Definition

used to refer to a time between 12 o'clock in the night and 12 o'clock in the day: We're open from 9 a.m. to 5 p.m. daily.
(Definition of a.m. from the Cambridge Learner's Dictionary © Cambridge University Press)

“a.m.” in other dictionaries

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