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