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