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
| 9AM to 1AM | 12AM to 5PM | 3PM to 12PM |
| 3AM to 12AM | 3AM to 4AM | 7PM to 5AM |
| 10PM to 7AM | 7PM to 7AM | 10PM to 2PM |
| 8PM to 6AM | 1AM to 7AM | 11PM to 2AM |
| 2AM to 7AM | 6PM to 2PM | 2PM to 5AM |
| 1AM to 11PM | 10AM to 9PM | 5PM to 2AM |
