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