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