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