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