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