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