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