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