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