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