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