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