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
| 5AM to 6PM | 8AM to 1AM | 5AM to 10PM |
| 11PM to 4PM | 11AM to 6AM | 10PM to 2AM |
| 7PM to 4AM | 12PM to 9PM | 7AM to 8AM |
| 8AM to 5AM | 5PM to 3AM | 11PM to 1PM |
| 8PM to 3AM | 5PM to 1PM | 6PM to 12AM |
| 1PM to 4AM | 10PM to 9PM | 6AM to 8PM |
