There are total 7 hours or 420 minutes from 9am to 4pm. In words, this duration is equal to seven hours or four hundred twenty minutes.
How many hours from
| 5AM to 3PM | 1AM to 7PM | 7AM to 1PM |
| 3PM to 4PM | 2PM to 8AM | 12PM to 9AM |
| 4PM to 2PM | 5PM to 7PM | 4AM to 7PM |
| 6PM to 10AM | 4PM to 10AM | 9AM to 3PM |
| 7PM to 9PM | 11AM to 10PM | 6AM to 7AM |
| 2AM to 6PM | 8PM to 11PM | 2PM to 8AM |
