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