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