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