There are total 3 hours or 180 minutes from 6am to 9am. In words, this duration is equal to three hours or one hundred eighty minutes.
How many hours from
| 10AM to 11AM | 9PM to 4PM | 6PM to 4PM |
| 8AM to 11PM | 5AM to 6AM | 11AM to 2PM |
| 10AM to 9AM | 10AM to 4AM | 6AM to 6PM |
| 8AM to 2AM | 9PM to 4PM | 12PM to 8PM |
| 12AM to 4AM | 11PM to 5PM | 7AM to 2AM |
| 11PM to 7PM | 12PM to 8PM | 1PM to 11AM |
