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