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What Do A.m. And P.m. Stand For? - Education - Nairaland

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What Do A.m. And P.m. Stand For? by Tolzeal(m): 9:42am On May 31, 2015
Most English speakers know that a.m. refers to the hours from midnight and noon, and p.m. to the hours from noon and midnight. But what do these ubiquitous abbreviations stand for?

The term we associate with the morning, a.m., is an abbreviation the Latin phrase ante merīdiem meaning “before midday”; p.m. is an abbreviation of post merīdiem, meaning—you guessed it—“after midday.” These two terms help keep ambiguity at bay in the 12-hour time system. There is a third, lesser-known abbreviation in this system: m. from the Latin merīdiēs meaning “midday” means noon. However, m. is rarely used and might confuse readers or listeners should you casually drop it into conversation or insert it into your writing; noon is conventionally expressed as 12 p.m. or 12:00 p.m. and midnight as 12 a.m. or 12:00 a.m.

In formal writing, it is best to lowercase both a.m. and p.m. and retain the periods (as opposed to writing them AM/PM or am/pm); however, should you choose to use a different format, the most important rule is to be consistent throughout your piece. Note that when a.m. or p.m. end a sentence, as in The train is arriving at 10 p.m., it is not necessary to place an additional period at the end. And, for our final writing tip, since these abbreviations specify an hour’s relation to noon, it is not necessary to use morning, evening, night, or o’clock with them.




smiley


http://blog.dictionary.com/what-do-am-and-pm-stand-for/

2 Likes

Re: What Do A.m. And P.m. Stand For? by generaluthman: 9:45am On May 31, 2015
P.m - prime meridian
A.m -
Re: What Do A.m. And P.m. Stand For? by demmy0325(m): 9:46am On May 31, 2015
P.M - post-meridian

A.M - ante-meridian..

11 Likes

Re: What Do A.m. And P.m. Stand For? by Tolzeal(m): 10:04am On May 31, 2015
generaluthman:
P.m - prime meridian
A.m -



1 Like

Re: What Do A.m. And P.m. Stand For? by Tolzeal(m): 10:05am On May 31, 2015
demmy0325:
P.M - post-meridian

A.M - anti-meridian..





Ante ....

4 Likes

Re: What Do A.m. And P.m. Stand For? by demmy0325(m): 10:09am On May 31, 2015
Tolzeal:





Ante ....
.. I know.. Too lazy to correct.. undecided
Re: What Do A.m. And P.m. Stand For? by Tolzeal(m): 10:14am On May 31, 2015
demmy0325:
.. I know.. Too lazy to correct.. undecided




Aii bro
Re: What Do A.m. And P.m. Stand For? by oluwafemi113(m): 10:29am On May 31, 2015
A:M. almost about moon grin
P:M. Past moon. tongue tongue tongue tongue

4 Likes 1 Share

Re: What Do A.m. And P.m. Stand For? by Tolzeal(m): 10:53am On May 31, 2015
oluwafemi113:
A:M. almost about moon grin
P:M. Past moon. tongue tongue tongue tongue





Good One...
Local Made.... tongue

2 Likes

Re: What Do A.m. And P.m. Stand For? by Rexhenrex(m): 3:01pm On May 31, 2015
grin I know it but I won't say it

1 Like

Re: What Do A.m. And P.m. Stand For? by Odaveboy(m): 4:48pm On May 31, 2015
AM------------------Amplitude modulation

PM-----------------Phase modulation


EEE. (telecom option)

2 Likes

Re: What Do A.m. And P.m. Stand For? by mejai(m): 7:50pm On May 31, 2015
a.m = after morning p.m =past morning don't thank me o grin
Re: What Do A.m. And P.m. Stand For? by Tolzeal(m): 8:18pm On May 31, 2015
mejai:
a.m = after morning
p.m =past morning
don't thank me o grin




cheesy
Re: What Do A.m. And P.m. Stand For? by IdisuleOurOwn(m): 11:40pm On May 31, 2015
Very very informative.
Re: What Do A.m. And P.m. Stand For? by Mcowubaba: 12:00am On Jun 01, 2015
If na 1 mod.....eh go talk..
This thread has served its' purpose nd has been derailed....


THREAD CLOSED cheesy
those people eh.....them d take life too serious lipsrsealed...
Mak dem No ban me ooo....grin
Re: What Do A.m. And P.m. Stand For? by Whobedatte(m): 1:17am On Jun 01, 2015
A.M ~ africa magic

P.M ~. Primetime movie
Re: What Do A.m. And P.m. Stand For? by Tolzeal(m): 7:45am On Jun 01, 2015
Mcowubaba:
If na 1 mod.....eh go talk..
This thread has served its' purpose nd has been derailed....


THREAD CLOSED cheesy
those people eh.....them d take life too serious lipsrsealed...
Mak dem No ban me ooo....grin







We have lot of troops waiting to see this...
I will

cc:lalasticala, Ishilove
Re: What Do A.m. And P.m. Stand For? by CrazyScientist: 8:53am On Jun 01, 2015
African Marriage- AM

Portuguese Marriage- PM

grin
Re: What Do A.m. And P.m. Stand For? by Tolzeal(m): 7:49am On Jun 03, 2015
CrazyScientist:
African Marriage- AM

Portuguese Marriage- PM

grin



Haha...

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