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