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