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