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