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