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