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