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