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