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