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
| 1AM to 2PM | 8PM to 6AM | 10AM to 4PM |
| 1PM to 4AM | 9AM to 6PM | 11AM to 4AM |
| 11AM to 10AM | 7AM to 6AM | 11PM to 1PM |
| 3AM to 10PM | 8PM to 6AM | 1PM to 6PM |
| 11AM to 12AM | 11PM to 1PM | 6AM to 6PM |
| 1PM to 10PM | 12AM to 9AM | 4PM to 2PM |
