There are total 9 hours or 540 minutes from 1am to 10am. In words, this duration is equal to nine hours or five hundred forty minutes.
How many hours from
| 2AM to 11AM | 11PM to 9PM | 7AM to 12PM |
| 8PM to 12AM | 9AM to 8AM | 1PM to 2AM |
| 5PM to 10PM | 9PM to 11AM | 8AM to 4PM |
| 6PM to 11PM | 4PM to 12PM | 9PM to 12PM |
| 3PM to 2AM | 4AM to 9AM | 7PM to 2AM |
| 2PM to 6AM | 5AM to 10AM | 8AM to 7PM |