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