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