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