There are total 15 hours or 900 minutes from 7pm to 10am. In words, this duration is equal to fifteen hours or nine hundred minutes.
How many hours from
| 10AM to 7PM | 10AM to 9AM | 8PM to 5AM |
| 3AM to 1PM | 1AM to 10PM | 9AM to 11PM |
| 2PM to 5AM | 6PM to 3PM | 10AM to 2PM |
| 4PM to 6PM | 4AM to 6AM | 2PM to 12PM |
| 4PM to 9PM | 12PM to 8AM | 9PM to 3PM |
| 6AM to 1AM | 5PM to 9PM | 9PM to 7PM |