What is mean AM and PM?

Related questions

1. Is midnight at the beginning or end of a day?
2. Does midnight start the next day?
3. Do you put a period after a time?
4. Do flights ever leave early?
5. Does midnight belong to today or tomorrow?
6. How do I know if my flight is AM or PM?
7. Why is the day divided into 24 hours?
8. How long before takeoff do planes start boarding?
9. How do you convert 12 hour to 24 hour time?
10. Should AM and PM be capitalized?

Tags

1. #words
2. #means
3. #language
4. #convention
5. #after
6. #midday
7. #heritage
8. #american
9. #meridies
10. #meridiem
11. #latin
12. #states
13. #dictionary
14. #denotes
15. #before
16. #english
17. #midnight