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