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