There are total 10 hours or 600 minutes from 1pm to 11pm. In words, this duration is equal to ten hours or six hundred minutes.
How many hours from
| 1AM to 9PM | 4PM to 8PM | 8PM to 11PM |
| 3PM to 4PM | 9PM to 9AM | 1AM to 11AM |
| 10AM to 7AM | 4AM to 5PM | 12PM to 1AM |
| 3PM to 10AM | 1AM to 3PM | 8PM to 1AM |
| 2AM to 4PM | 1AM to 3AM | 6PM to 11AM |
| 11AM to 9AM | 8PM to 2AM | 2PM to 1PM |
