There are total 19 hours or 1140 minutes from 9am to 4am. In words, this duration is equal to nineteen hours or one thousand one hundred forty minutes.
How many hours from
| 12AM to 8AM | 5AM to 1AM | 7AM to 8PM |
| 12PM to 5PM | 8PM to 12AM | 6AM to 1AM |
| 3AM to 5PM | 11PM to 4AM | 10PM to 12AM |
| 7PM to 9PM | 10AM to 5AM | 9AM to 11AM |
| 6AM to 4AM | 4PM to 8PM | 5PM to 11PM |
| 4AM to 11AM | 2AM to 4PM | 8AM to 3PM |
