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