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