What is the correct way to type am or pm, when it comes to time? If it's four in the morning, is it:
A. 4am
B. 4 a m
C. 4AM
D. 4 a.m.
E. A.M
And so on... is there a correct way on how am or pm should be typed out?
A.

4am

6pm
This is a style thing and you'll find different answers.

The style I follow is 4 p.m.

I leave the space, and I put in the periods.

You'll see many variations.

Just make sure you don't write 4PM in one paragraph and 5:30 p.m. in the next.