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