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