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