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