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