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