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