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