There are total 4 hours or 240 minutes from 4am to 8am. In words, this duration is equal to four hours or two hundred forty minutes.
How many hours from
| 5PM to 9AM | 11AM to 9PM | 8PM to 9PM |
| 9PM to 5PM | 3AM to 6AM | 1AM to 11AM |
| 11PM to 2AM | 5PM to 8AM | 5AM to 9PM |
| 2AM to 12AM | 10PM to 12AM | 8PM to 4PM |
| 7AM to 11PM | 10PM to 12PM | 12PM to 5PM |
| 12AM to 3PM | 3PM to 7AM | 10PM to 1AM |
