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