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