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