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