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