What is the full form AM and PM?

Related questions

1. What is difference between AM and PM?
2. Do Germans use AM and PM?
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5. Why is it called o clock?
6. What is AM PM in India?
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Tags

1. #clock
2. #meridiem
3. #represent
4. #expand
5. #which
6. #midday
7. #before
8. #means
9. #latin
10. #respectively
11. #after
12. #words
13. #represented
14. #system