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
| 11PM to 4PM | 4PM to 2AM | 5AM to 4AM |
| 7PM to 4AM | 12AM to 7PM | 5AM to 7PM |
| 7PM to 9PM | 8PM to 7PM | 9AM to 4AM |
| 2PM to 5AM | 1AM to 6PM | 5AM to 12AM |
| 2PM to 9AM | 1PM to 7PM | 4AM to 11PM |
| 8AM to 10AM | 6PM to 12PM | 6AM to 10PM |
