There are total 21 hours or 1260 minutes from 8am to 5am. In words, this duration is equal to twenty-one hours or one thousand two hundred sixty minutes.
How many hours from
| 8PM to 10AM | 3AM to 4PM | 5AM to 10AM |
| 6AM to 5PM | 10AM to 4PM | 12PM to 3PM |
| 7PM to 10AM | 12PM to 4PM | 3AM to 6AM |
| 2AM to 11AM | 2AM to 3AM | 11AM to 4AM |
| 3AM to 11PM | 6AM to 6PM | 2PM to 7PM |
| 1AM to 9PM | 9PM to 8PM | 9PM to 6PM |
