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