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