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