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