There are total 9 hours or 540 minutes from 9pm to 6am. In words, this duration is equal to nine hours or five hundred forty minutes.
How many hours from
| 6AM to 12PM | 1PM to 6PM | 4PM to 3PM |
| 11AM to 8AM | 7AM to 11AM | 9AM to 4AM |
| 8PM to 12PM | 2PM to 1PM | 12AM to 2AM |
| 3PM to 2AM | 12PM to 11AM | 8AM to 1AM |
| 9AM to 11AM | 12PM to 5AM | 10PM to 12PM |
| 12PM to 4PM | 2AM to 1AM | 4PM to 5PM |
