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