There are total 15 hours or 900 minutes from 4pm to 7am. In words, this duration is equal to fifteen hours or nine hundred minutes.
How many hours from
| 6PM to 1PM | 10PM to 5PM | 10PM to 3AM |
| 9PM to 12PM | 1PM to 8AM | 3PM to 5PM |
| 10AM to 3PM | 4PM to 5AM | 10AM to 6PM |
| 1AM to 1PM | 10AM to 1AM | 4PM to 7PM |
| 3PM to 7AM | 9AM to 5AM | 1PM to 3PM |
| 7PM to 6PM | 11AM to 2AM | 10PM to 11PM |
