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