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