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