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