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