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