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