There are total 12 hours or 720 minutes from 8am to 8pm. In words, this duration is equal to twelve hours or seven hundred twenty minutes.
How many hours from
| 5PM to 8AM | 3PM to 3AM | 7PM to 12PM |
| 10AM to 6AM | 1PM to 7AM | 4AM to 11AM |
| 1AM to 12AM | 11PM to 5AM | 12PM to 12AM |
| 7PM to 2AM | 10AM to 1PM | 1PM to 4PM |
| 5AM to 1AM | 5PM to 12AM | 4AM to 8PM |
| 4PM to 8AM | 5PM to 7AM | 8AM to 4PM |
