There are total 21 hours or 1260 minutes from 10am to 7am. In words, this duration is equal to twenty-one hours or one thousand two hundred sixty minutes.
How many hours from
| 8PM to 6AM | 8AM to 7AM | 3AM to 1AM |
| 2PM to 5AM | 11PM to 4AM | 7AM to 8PM |
| 4AM to 1AM | 8AM to 10AM | 12PM to 4PM |
| 6AM to 9AM | 8PM to 1AM | 11AM to 3PM |
| 12AM to 7AM | 6AM to 2AM | 6PM to 9PM |
| 5PM to 8PM | 10PM to 5AM | 4AM to 10AM |
