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