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