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