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