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