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