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