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