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