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