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