There are total 8 hours or 480 minutes from 8pm to 4am. In words, this duration is equal to eight hours or four hundred eighty minutes.
How many hours from
| 11AM to 3AM | 8AM to 9PM | 1AM to 7PM |
| 8PM to 6AM | 6AM to 11AM | 2PM to 2AM |
| 3AM to 3PM | 10AM to 4AM | 8PM to 9AM |
| 11AM to 9PM | 12AM to 1PM | 10PM to 1PM |
| 5PM to 10AM | 12PM to 4AM | 9AM to 2PM |
| 1PM to 1AM | 12PM to 3AM | 7PM to 10PM |
