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