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