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