There are total 10 hours or 600 minutes from 8am to 6pm. In words, this duration is equal to ten hours or six hundred minutes.
How many hours from
| 6PM to 5PM | 6AM to 2PM | 5PM to 3AM |
| 12PM to 10PM | 7PM to 2PM | 1PM to 6PM |
| 7PM to 5AM | 4AM to 1AM | 12PM to 10PM |
| 6AM to 1AM | 9AM to 2PM | 11PM to 12AM |
| 2AM to 11AM | 12AM to 5PM | 11AM to 7AM |
| 8PM to 12AM | 1AM to 3PM | 1PM to 1AM |
