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