There are total 8 hours or 480 minutes from 10am to 6pm. In words, this duration is equal to eight hours or four hundred eighty minutes.
How many hours from
| 9PM to 9AM | 3AM to 1PM | 7AM to 9AM |
| 1AM to 3PM | 6AM to 7AM | 12AM to 7PM |
| 3PM to 9PM | 5AM to 7PM | 2AM to 3AM |
| 1AM to 2PM | 5PM to 5AM | 11AM to 10PM |
| 12PM to 10AM | 1AM to 11PM | 7PM to 12PM |
| 5PM to 8PM | 3PM to 2PM | 1PM to 10PM |