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