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