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