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