There are total 4 hours or 240 minutes from 4pm to 8pm. In words, this duration is equal to four hours or two hundred forty minutes.
How many hours from
| 5AM to 8AM | 8AM to 12AM | 12AM to 7PM |
| 7AM to 5PM | 10AM to 2PM | 5AM to 10PM |
| 3AM to 5PM | 7PM to 5AM | 12PM to 2PM |
| 6PM to 7PM | 12PM to 8AM | 1AM to 2PM |
| 5AM to 11PM | 11AM to 12AM | 7AM to 8PM |
| 10PM to 6PM | 9AM to 4PM | 10AM to 8AM |