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