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