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