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