There are total 4 hours or 240 minutes from 7pm to 11pm. In words, this duration is equal to four hours or two hundred forty minutes.
How many hours from
| 9PM to 4PM | 4AM to 5PM | 12PM to 8AM |
| 11AM to 8PM | 5PM to 2AM | 2AM to 1AM |
| 3PM to 12PM | 1PM to 7AM | 12PM to 8AM |
| 8AM to 1AM | 7PM to 10AM | 5AM to 6AM |
| 9PM to 12PM | 11AM to 7AM | 10AM to 5AM |
| 10AM to 12PM | 4PM to 8PM | 1PM to 2AM |
