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