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
| 3AM to 12PM | 7PM to 2AM | 5AM to 12PM |
| 3AM to 5PM | 8AM to 12AM | 6AM to 12AM |
| 7PM to 8PM | 9AM to 12PM | 3AM to 11AM |
| 12AM to 9AM | 6PM to 3PM | 12PM to 5AM |
| 3PM to 12AM | 10AM to 10PM | 5AM to 6AM |
| 3AM to 12PM | 6PM to 6AM | 10PM to 9AM |