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