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