There are total 4 hours or 240 minutes from 8pm to 12am. In words, this duration is equal to four hours or two hundred forty minutes.
How many hours from
| 11AM to 9AM | 2PM to 10PM | 12AM to 8AM |
| 9PM to 11AM | 4PM to 12PM | 7PM to 1AM |
| 1AM to 4AM | 1AM to 7PM | 2PM to 8AM |
| 5AM to 8AM | 10PM to 10AM | 1PM to 4AM |
| 5AM to 9PM | 10PM to 8PM | 2PM to 7PM |
| 4PM to 5AM | 5PM to 12PM | 7AM to 3AM |
