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