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