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