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