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