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