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