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