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