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