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