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