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
| 12AM to 7AM | 3AM to 5AM | 11AM to 9AM |
| 10PM to 12AM | 7AM to 9PM | 5AM to 6AM |
| 6AM to 4AM | 10PM to 6AM | 12AM to 3AM |
| 12AM to 3AM | 5AM to 10PM | 6AM to 9AM |
| 1AM to 6AM | 11AM to 8AM | 12PM to 10AM |
| 12AM to 4AM | 9AM to 9PM | 7AM to 2AM |
