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