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