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