There are total 21 hours or 1260 minutes from 8pm to 5pm. In words, this duration is equal to twenty-one hours or one thousand two hundred sixty minutes.
How many hours from
| 1AM to 12PM | 11AM to 9AM | 5PM to 11AM |
| 9AM to 12PM | 12PM to 11AM | 11AM to 11PM |
| 10AM to 2PM | 10PM to 2AM | 6PM to 8PM |
| 10PM to 4PM | 3AM to 12AM | 7PM to 5PM |
| 2AM to 9AM | 11PM to 4PM | 5AM to 2AM |
| 2PM to 1PM | 11PM to 4AM | 5AM to 1PM |