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