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