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