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