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