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