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