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