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