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