There are total 9 hours or 540 minutes from 4pm to 1am. In words, this duration is equal to nine hours or five hundred forty minutes.
How many hours from
| 12AM to 9AM | 12AM to 12PM | 12PM to 6PM |
| 9AM to 8PM | 12AM to 1AM | 1PM to 1AM |
| 3PM to 8PM | 12PM to 9AM | 8PM to 10PM |
| 9PM to 11PM | 11PM to 2AM | 10PM to 7PM |
| 5AM to 7PM | 1AM to 5PM | 4PM to 11PM |
| 7PM to 8AM | 9PM to 5AM | 6AM to 10AM |
