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