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