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