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
| 12AM to 8PM | 11PM to 5PM | 5PM to 10AM |
| 3PM to 7PM | 11AM to 12PM | 11AM to 6AM |
| 5PM to 12PM | 1AM to 6AM | 3AM to 8PM |
| 10AM to 7PM | 6AM to 4AM | 11PM to 4AM |
| 2PM to 5PM | 12PM to 4PM | 9AM to 8AM |
| 5PM to 4AM | 4AM to 3PM | 4AM to 10AM |
