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