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