Anytime after 12 noon until midnight.
It can be written either way.
When saying AM or PM there are pauses between each letter. AM refers to morning and PM to the evening.
am stands for Ante Meridiem and pm for post Meridiem. Meridiem is the word used for noon.
No, periods are not typically used after AM and PM in most writing styles. It is considered more common and modern to simply write AM and PM without periods.
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.)
Midnight to noon is 12 hours (AM), noon to midnight is another 12 hours (PM). Therefore, it is 12 hours from PM to AM.
Saying "good evening" is appropriate after 6 PM, while saying "good afternoon" is used from 12 PM to 6 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!)
Meridian is the Latin word for Noon. Ante Meridian (AM) means before noon, and Post Meridian (PM) means after noon.
'Good afternoon' is typically used as a greeting from 12:00 PM until around 6:00 PM. After 6:00 PM, it is more appropriate to use 'good evening'.
They arrived at 7:30 pm each day. -They were used from 1944-1945
it is pm. when it gets to noon, it is pm