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