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