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