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