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