There are total 7 hours or 420 minutes from 9pm to 4am. In words, this duration is equal to seven hours or four hundred twenty minutes.
How many hours from
| 5PM to 11PM | 3PM to 2AM | 6PM to 2AM |
| 1AM to 11AM | 5PM to 8PM | 7PM to 12AM |
| 11PM to 2PM | 8PM to 2PM | 9PM to 8PM |
| 7PM to 8PM | 4PM to 8AM | 12PM to 12AM |
| 11AM to 10AM | 1PM to 5AM | 8AM to 4AM |
| 4AM to 8AM | 3AM to 8AM | 7PM to 2PM |
