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