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