There are total 12 hours or 720 minutes from 10pm to 10am. In words, this duration is equal to twelve hours or seven hundred twenty minutes.
How many hours from
| 4PM to 9AM | 3PM to 10PM | 2PM to 11AM |
| 1AM to 3AM | 12PM to 9AM | 11AM to 11PM |
| 2PM to 7PM | 11PM to 3PM | 3PM to 1PM |
| 5PM to 4AM | 4AM to 12PM | 6AM to 10AM |
| 8PM to 6PM | 7AM to 1PM | 10AM to 11PM |
| 7AM to 12AM | 10PM to 7AM | 6PM to 7AM |