Difference between 1am and 9am

How many hours between 1am and 9am?

Answer

The difference between 1am and 9am is

8 Hours

= 480 Minutes · 8 decimal hours

1:00 AM → 9:00 AM the same day · by the clock, breaks not subtracted

With a 30-min unpaid break: 8 h − 30 min = 7 h 30 min paid

1:00 AM — start 9:00 AM — end

9:00 AM − 1:00 AM = 8 hours

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start ↓ end →	7am	8am	9am	10am	11am
11pm	8 h	9 h	10 h	11 h	12 h
12am	7 h	8 h	9 h	10 h	11 h
1am	6 h	7 h	8 h	9 h	10 h
2am	5 h	6 h	7 h	8 h	9 h
3am	4 h	5 h	6 h	7 h	8 h