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