Difference between 9am and 7pm

How many hours between 9am and 7pm?

Answer

The difference between 9am and 7pm is

10 Hours

= 600 Minutes · 10 decimal hours

9:00 AM → 7:00 PM the same day · by the clock, breaks not subtracted

With a 30-min unpaid break: 10 h − 30 min = 9 h 30 min paid

9:00 AM — start 7:00 PM — end

7:00 PM − 9:00 AM = 10 hours

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start ↓ end →	5pm	6pm	7pm	8pm	9pm
7am	10 h	11 h	12 h	13 h	14 h
8am	9 h	10 h	11 h	12 h	13 h
9am	8 h	9 h	10 h	11 h	12 h
10am	7 h	8 h	9 h	10 h	11 h
11am	6 h	7 h	8 h	9 h	10 h