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