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