Is AM and PM capitalized in AP Style?
Time: lowercase a.m. and p.m. with periods and always figures proceeding. The exception is at the hour, you do not include “:00.” If it is a time range, use only a.m. or p.m. once within the same time of day (e.g. 8-9 a.m.).
What is the correct way to write AM and PM?
A.M. means “ante meridiem” and P.M. means for “post meridiem”, which are Latin phrases meaning before midday, and after midday.
Do you put periods between AM and PM?

Rules. Lowercase a.m. and p.m. and always use periods. Lowercase noon and midnight. Do not use 12 noon or 12 midnight (redundant).
Is it 12 pm or noon AP Style?
Use numerals, a space, lowercase letters, and periods for a.m. and p.m. Do not use extra zeros on times. 7 p.m., 10 a.m., 1:45 p.m. Use noon and midnight rather than 12 a.m. or 12 p.m. The club will meet at noon. For all people (adults and students), use full names on first reference.
How do you write 8 am AP Style?
Time: Use lowercase a.m. and p.m., with periods. Always use figures, with a space between the time and the a.m. or p.m.: “By 6:30 a.m. she was long gone.” If it’s an exact hour, no “:00″ is required.
How do you write time zones in AP Style?

Time Zones When writing stories reporting about a particular time zone, capitalize the full name: Central Standard Time, Eastern Standard Time, Eastern Daylight Time, etc. Stories written in short form should use lowercase time zone designations, except for the region: Mountain time, Eastern time zone, etc.
Is it 6pm or 6 pm?
Technically speaking, 6 p.m. should probably be considered the most formal option. However, it is common practice to omit the punctuation nowadays and simply write 6 pm. I would not recommend omitting the space between the number and ‘pm’.
How do you write PM CST?
Reference to a specific time and zone would follow standard guidelines with the zone in parentheses: 4:42 p.m. (PST), 11:03 a.m. (MDT), 2:30 p.m. (CST), 10:00 P.M. (EST). AP on the other hand advises to capitalize the full name of each time zone: Pacific/Mountain/Central/Eastern Standard Time.