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