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
| 7PM to 1AM | 11AM to 3AM | 1AM to 5AM |
| 6AM to 8AM | 1PM to 2AM | 6AM to 5PM |
| 8PM to 12PM | 1PM to 2AM | 12PM to 3PM |
| 11PM to 9AM | 4AM to 5AM | 3AM to 10PM |
| 4AM to 4PM | 1PM to 10AM | 8PM to 11PM |
| 3AM to 3PM | 8PM to 4AM | 9PM to 8AM |
