There are total 2 hours or 120 minutes from 9am to 11am. In words, this duration is equal to two hours or one hundred twenty minutes.
How many hours from
| 1PM to 2PM | 3PM to 8PM | 10PM to 7AM |
| 10AM to 4PM | 11PM to 6PM | 7AM to 5AM |
| 9PM to 7AM | 5AM to 8AM | 10AM to 6PM |
| 5PM to 7PM | 12PM to 10PM | 6PM to 2PM |
| 3AM to 11PM | 7AM to 9PM | 10AM to 6AM |
| 12PM to 1AM | 7AM to 8PM | 9AM to 7AM |
