There are total 12 hours or 720 minutes from 12am to 12pm. In words, this duration is equal to twelve hours or seven hundred twenty minutes.
How many hours from
| 6AM to 3PM | 9PM to 11PM | 9AM to 7PM |
| 9PM to 5AM | 10AM to 9PM | 11PM to 5PM |
| 6PM to 4PM | 9PM to 7AM | 7AM to 7PM |
| 7PM to 5AM | 11AM to 8AM | 1AM to 10PM |
| 1AM to 11PM | 9PM to 6AM | 7PM to 8AM |
| 1AM to 3PM | 9PM to 4AM | 2PM to 8PM |