Difference between 1am and 9pm

How many hours between 1am and 9pm?

Answer

The difference between 1am and 9pm is

20 Hours

= 1,200 Minutes · 20 decimal hours

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

With a 30-min unpaid break: 20 h − 30 min = 19 h 30 min paid

1:00 AM — start 9:00 PM — end

9:00 PM − 1:00 AM = 20 hours

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https://calculat.io/en/date/hours-difference/1--00--am--9--00--pm/generated.jpg

start ↓ end →	7pm	8pm	9pm	10pm	11pm
11pm	20 h	21 h	22 h	23 h	0 min
12am	19 h	20 h	21 h	22 h	23 h
1am	18 h	19 h	20 h	21 h	22 h
2am	17 h	18 h	19 h	20 h	21 h
3am	16 h	17 h	18 h	19 h	20 h