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