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