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