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