There are total 1 hours or 60 minutes from 9am to 10am. In words, this duration is equal to one hours or sixty minutes.
How many hours from
| 9AM to 8AM | 11PM to 12PM | 10AM to 12PM |
| 11AM to 8AM | 6AM to 6PM | 5AM to 2AM |
| 12PM to 10PM | 2AM to 10AM | 12PM to 8AM |
| 11PM to 6AM | 4PM to 11PM | 11PM to 8PM |
| 1PM to 10PM | 5AM to 6PM | 7AM to 8PM |
| 12PM to 8PM | 9PM to 12PM | 8PM to 3PM |
