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