The 24 hour/day cycle starts at 12 midnight (often indicated as 12 a.m.), runs
through 12 noon (often indicated as 12 p.m.), and continues to the midnight at the
What does AM and PM mean? Before noon, and after noon of course.
AM and PM are abbreviations for ante meridiem and post meridiem mean before
noon and after noon post meridiem or post meridian.
May 19, 2015 ... In formal writing, it is best to lowercase both a.m. and p.m. and retain the ..... and
so confuses the issue, by definition the terms are ante and post ...
(indicating the time period from midday to midnight) post meridiem. See a.m.. 2. (
Medicine) post-mortem (examination). [(sense 1) Latin: after noon].
(indicating the time period from midnight to midday) abbreviation for. 1. (Horology
) ante meridiem. Compare p.m.. [Latin: before noon]. Collins English Dictionary ...
Jul 22, 2011 ... I know that AM/PM is for ante/post meridiem, but what is it actually called?
Meridian indicator? 12 hour indicator? Something way more clever?
One minute before noon is 11:59 a.m. One minute after noon is 12:01 p.m. Many
people distinguish between noon and midnight by saying 12 noon and 12 ...
5 definitions of AM/PM. Meaning of AM/PM. What does AM/PM stand for? AM/PM
abbreviation. Define AM/PM at AcronymFinder.com.
Jun 16, 2010 ... Today I found out what a.m. and p.m. stand for. And no, it's not, as my first grade
teacher told me, “After Midnight” and “Past Midday”. LIES!