Difference between 9am and 10pm

How many hours between 9am and 10pm?

Answer

The difference between 9am and 10pm is

13 Hours

= 780 Minutes · 13 decimal hours

9:00 AM → 10:00 PM the same day · by the clock, breaks not subtracted

With a 30-min unpaid break: 13 h − 30 min = 12 h 30 min paid

9:00 AM — start 10:00 PM — end

10:00 PM − 9:00 AM = 13 hours

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start ↓ end →	8pm	9pm	10pm	11pm	12am
7am	13 h	14 h	15 h	16 h	17 h
8am	12 h	13 h	14 h	15 h	16 h
9am	11 h	12 h	13 h	14 h	15 h
10am	10 h	11 h	12 h	13 h	14 h
11am	9 h	10 h	11 h	12 h	13 h