There are total 5 hours or 300 minutes from 8pm to 1am. In words, this duration is equal to five hours or three hundred minutes.
How many hours from
| 9PM to 5AM | 5PM to 9AM | 4PM to 4AM |
| 7PM to 3AM | 8AM to 10PM | 3AM to 5AM |
| 5PM to 10AM | 3AM to 2AM | 10PM to 8PM |
| 8PM to 2AM | 8AM to 6AM | 8PM to 1AM |
| 7AM to 6AM | 9AM to 11PM | 8PM to 4AM |
| 2AM to 5PM | 10AM to 7PM | 4PM to 7PM |
