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