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
| 12PM to 1PM | 11AM to 12PM | 1PM to 4PM |
| 9AM to 2AM | 6PM to 7PM | 6PM to 1PM |
| 6AM to 4AM | 1PM to 3PM | 5AM to 10AM |
| 8PM to 5PM | 4PM to 10PM | 12AM to 6AM |
| 1AM to 8AM | 11AM to 6PM | 12PM to 9AM |
| 6PM to 8AM | 6AM to 7AM | 9PM to 12PM |