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