BOTH ARE WRONG!
a.m. and p.m. MUST BE abbreviated! they stand for something!
a.m. = ante meridian (before the sun...)
p.m. = post meridian (after the sun..)
So AM is worng, am is wrong, the correct is EITHER A.M. or a.m. - i would use a.m. in correspondence
2006-08-23 09:17:25
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answer #1
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answered by jaymay2008 3
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The correct grammatical use is "a.m." and "p.m."
this is the correct format used in business correspondence.
The periods are always included in the correct use, but it really does not matter unless you are corresponding with a business, applying for a job, or turning in a school paper.
2006-08-23 16:08:19
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answer #2
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answered by rcsanandreas 5
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As far as I know the lower case initials are correct. Ante meridian and post meridian are not proper nouns and so are not written with capital letters, therefore their abbreviations would also use lower case letters.
2006-08-23 16:03:30
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answer #3
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answered by puhpaul 3
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Capital AM for anti-meridien or PM for post meridien. Grammatically, initials are always capitalized.
2006-08-23 16:02:01
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answer #4
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answered by Anonymous
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I think it can be either. But most of the time I use "am". I think "am" is preferred though, but I am not exactly sure.
2006-08-23 16:02:20
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answer #5
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answered by ChaiTea 5
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I usually put a.m. or p.m.
With the dots, and lowercase.
2006-08-23 16:02:13
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answer #6
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answered by JusticeManEsq 5
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AM - for time
am - in a sentence as a verb
2006-08-23 16:06:06
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answer #7
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answered by kawaii_nyc 4
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