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