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