There are total 12 hours or 720 minutes from 10am to 10pm. In words, this duration is equal to twelve hours or seven hundred twenty minutes.
How many hours from
| 4PM to 4AM | 11PM to 4PM | 5PM to 4PM |
| 4AM to 8PM | 12PM to 5PM | 12PM to 1PM |
| 7AM to 6PM | 12AM to 10AM | 4AM to 8PM |
| 1PM to 8PM | 9PM to 12PM | 10PM to 11PM |
| 12AM to 2PM | 1PM to 9AM | 5PM to 6AM |
| 11PM to 7AM | 4PM to 9PM | 10PM to 9AM |
