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