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