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Yes. They are abbreviations for the Latin terms ante meridiem and post meridiem, and should therefore always be capitalized. Technically they should be spelled A.M. and P.M. for the same reason, but they are most often not and it is considered correct either way.
Wiki User
∙ 11y ago
Wiki User
∙ 13y agoYes! With a dot in between, example: 4 A.M. or 4 P.M.
Wiki User
∙ 11y agoA.M. and P.M. are abbreviations for the Latin phrases "ante meridiem" and "post meridiem."
Wiki User
∙ 11y agoNo, it's not mandatory.
Wiki User
∙ 11y agoyes like this AM PM
Wiki User
∙ 12y agoNo it doesn't need to be capitalized.
Wiki User
∙ 16y agono
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∙ 6y agono
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What do you capitalize in a list?
You capitalize proper nouns.
Do you capitalize mama?
you capitalize it when you use it like (Mi Mama)
Do you capitalize your in your Honor?
Yes, always capitalize a title.
Do you capitalize Cherry Tree?
You can capitalize Japanese and Cherry but not tree
Do you capitalize nuns in a sentence?
No, there is no need to capitalize 'nun' or 'nuns' in a sentence.
What do you capitalize in yours truly?
In "Yours truly," you capitalize the first letter of each word if you are using it as a complimentary close in a letter, as it is a formal sign-off.
Do you capitalize mother?
no, but you do capitalize mum
Do you capitalize the a in America?
You capitalize the first A but not the last a.
What do you capitalize in a list?
You capitalize proper nouns.
Do you capitalize drama?
No, you do not capitalize the word drama.
How long is it from AM to PM?
Midnight to noon is 12 hours (AM), noon to midnight is another 12 hours (PM). Therefore, it is 12 hours from PM to AM.
What do you capitalize in-- they were talking about the huntington sisters?
You capitalize Huntington
Do you capitalize the roaring twenties?
do you capitalize roaring twenties
Do you capitalize the word planetarium?
do you capitalize the word protestant
When do you capitalize country?
When it is the name of a particular country, you capitalize it.
When do you capitalize challah bread?
Capitalize challah bread
If its 12 00 noon is it am or pm?
It's neither, 12 noon and 12 midnight are just that although there are a lot of illiterates in positions where they should know better!)
