Difference between 1:30am and 3:30am

How many hours between 1:30am and 3:30am?

Answer

The difference between 1:30am and 3:30am is

2 Hours

= 120 Minutes · 2 decimal hours

1:30 AM → 3:30 AM the same day · by the clock, breaks not subtracted

With a 30-min unpaid break: 2 h − 30 min = 1 h 30 min paid

1:30 AM — start 3:30 AM — end

3:30 AM − 1:30 AM = 2 hours

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start ↓ end →	1:30am	2:30am	3:30am	4:30am	5:30am
11:30pm	2 h	3 h	4 h	5 h	6 h
12:30am	1 h	2 h	3 h	4 h	5 h
1:30am	0 min	1 h	2 h	3 h	4 h
2:30am	23 h	0 min	1 h	2 h	3 h
3:30am	22 h	23 h	0 min	1 h	2 h