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