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