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Meridiem is the Latin for midday.

Ante is the Latin for before.

Post is the Latin for after. a.m. is the abbreviation of the Latin phrase ante meridiem - and means beforemidday.

p.m. is the abbreviation of the Latin phrase post meridiem - and means after midday. Because we use a 12 hour clock we need to be able to distinguish which part of the day we mean when we say 8 o'clock. I don't want to hang around for 12 hours wiating for the 8:00 bus.

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16y ago

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