There are total 21 hours or 1260 minutes from 9pm to 6pm. In words, this duration is equal to twenty-one hours or one thousand two hundred sixty minutes.
How many hours from
| 2PM to 11AM | 7PM to 8AM | 5AM to 1PM |
| 8PM to 2AM | 12AM to 1AM | 12AM to 6AM |
| 8PM to 10PM | 8PM to 4PM | 4PM to 2PM |
| 9AM to 4AM | 7AM to 11AM | 10AM to 8PM |
| 11PM to 6PM | 6AM to 1PM | 5AM to 2AM |
| 5PM to 12AM | 2PM to 1PM | 3AM to 7AM |
