PM or p.m. same fro AM or a.m
Since we are talking about acronyms, the proper way to write it would be with capital letters.
Noon is PM, midnight is AM.
either is fine
To write 7:30 PM in standard time format, you can simply use "7:30 PM." Alternatively, in a 24-hour format, it is written as "19:30." Both formats clearly indicate the same time in the evening.
If they're both on the same date, then they mark a period of 21/2 hours.
PM or p.m. same fro AM or a.m
The correct way to write the phrase is "PM role." with a period after "PM" as it is an abbreviation for Project Manager.
Since we are talking about acronyms, the proper way to write it would be with capital letters.
The correct way to write 12:00 noon is "12:00 PM."
4 o'clock because four o'clock isn't the right way to pretension the word.
If you mean to write it out in letters and words then it's Four thirty pm.(Note that according to some styles, only numbers are used with AM and PM.)
PM
In formal documents, time should be written in the 24-hour clock format, with hours and minutes separated by a colon. For example, 3:30 PM should be written as 15:30.
Noon is PM, midnight is AM.
If you mean 6:20 pm, then you could write it in 24-hour-time which would make it 18:20
am= ante meridian pm= post meridian
either is fine