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