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