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