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