There are total 6 hours or 360 minutes from 9pm to 3am. In words, this duration is equal to six hours or three hundred sixty minutes.
How many hours from
| 6AM to 12PM | 9PM to 1PM | 8PM to 9AM |
| 7PM to 4AM | 9PM to 5PM | 12AM to 8AM |
| 4AM to 5AM | 9PM to 1AM | 11AM to 7AM |
| 6PM to 8PM | 8PM to 7PM | 1PM to 6AM |
| 10PM to 3PM | 6PM to 2AM | 4PM to 3AM |
| 7AM to 10AM | 3PM to 10PM | 3PM to 8PM |