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