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