Difference between 1am and 1pm

How many hours between 1am and 1pm?

Answer

The difference between 1am and 1pm is

12 Hours

= 720 Minutes · 12 decimal hours

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

With a 30-min unpaid break: 12 h − 30 min = 11 h 30 min paid

1:00 AM — start 1:00 PM — end

1:00 PM − 1:00 AM = 12 hours

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start ↓ end →	11am	12pm	1pm	2pm	3pm
11pm	12 h	13 h	14 h	15 h	16 h
12am	11 h	12 h	13 h	14 h	15 h
1am	10 h	11 h	12 h	13 h	14 h
2am	9 h	10 h	11 h	12 h	13 h
3am	8 h	9 h	10 h	11 h	12 h