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