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