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