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