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