Why are there 12 hours in a day?

Related questions

1. Is 12pm noon high?
2. What do you call Morning Afternoon Evening?
3. What does have a good sleep mean?
4. Is 12pm an afternoon?
5. Is 12 30 in the afternoon AM or PM?
6. How do you respond to have a good evening?
7. What is the difference between night and evening?
8. What is the time of good evening?
9. What is 12 at night AM or PM?
10. What is considered afternoon shift?

Tags

1. #devices
2. #added
3. #comes
4. #divided
5. #ancient
6. #hours
7. #clocks
8. #shadow
9. #beginning
10. #stars
11. #egyptians
12. #night
13. #twilight
14. #another
15. #observations
16. #based
17. #measured