There are total 21 hours or 1260 minutes from 10pm to 7pm. In words, this duration is equal to twenty-one hours or one thousand two hundred sixty minutes.
How many hours from
| 6AM to 12PM | 2PM to 7PM | 5PM to 3PM |
| 1PM to 5PM | 8PM to 2AM | 5PM to 6AM |
| 10AM to 12AM | 3PM to 6PM | 8AM to 2PM |
| 4PM to 5AM | 6PM to 2AM | 5AM to 9PM |
| 9PM to 1PM | 2AM to 1AM | 12AM to 3PM |
| 7AM to 11AM | 8PM to 5AM | 6AM to 6PM |
