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