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