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