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