Put more specifically, A.M. and P.M. are abbreviations for “ante meridiem” and “post meridiem”, which are Latin for “before mid-day” and “after mid-day” respectively. Since a new day begins at midnight, it follows that midnight is 12:00 A.M. since it’s the 12 o’clock that is before mid-day.
Put more specifically, A.M. and P.M. are abbreviations for “ante meridiem” and “post meridiem”, which are Latin for “before mid-day” and “after mid-day” respectively. Since a new day begins at midnight, it follows that midnight is 12:00 A.M. since it’s the 12 o’clock that is before mid-day.