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