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