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