There are total 20 hours or 1200 minutes from 9pm to 5pm. In words, this duration is equal to twenty hours or one thousand two hundred minutes.
How many hours from
| 8PM to 6PM | 5AM to 6PM | 7AM to 3PM |
| 5AM to 7AM | 4AM to 6AM | 3AM to 10AM |
| 9PM to 7PM | 5AM to 8PM | 9PM to 5PM |
| 7PM to 11AM | 11PM to 1AM | 12AM to 1AM |
| 1AM to 1PM | 10PM to 3PM | 2AM to 7AM |
| 10PM to 2AM | 2AM to 10AM | 2AM to 6AM |
