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