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