There are total 12 hours or 720 minutes from 8pm to 8am. In words, this duration is equal to twelve hours or seven hundred twenty minutes.
How many hours from
| 4PM to 7AM | 9PM to 12PM | 10AM to 4AM |
| 10PM to 3PM | 8PM to 7AM | 1PM to 8AM |
| 12PM to 10AM | 1PM to 4AM | 11PM to 10PM |
| 12AM to 4PM | 1PM to 5PM | 7PM to 10AM |
| 11AM to 6PM | 8PM to 9PM | 2AM to 5AM |
| 1AM to 6AM | 12AM to 1PM | 12PM to 10AM |