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