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