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