There are total 21 hours or 1260 minutes from 12pm to 9am. In words, this duration is equal to twenty-one hours or one thousand two hundred sixty minutes.
How many hours from
| 3AM to 11AM | 6PM to 2AM | 6AM to 2PM |
| 11PM to 3PM | 6AM to 10PM | 8PM to 10PM |
| 11PM to 3PM | 11PM to 7AM | 6PM to 3AM |
| 1AM to 9AM | 5AM to 3PM | 4PM to 8AM |
| 2AM to 1AM | 4PM to 11PM | 1AM to 4PM |
| 12PM to 11PM | 3PM to 6PM | 5PM to 8PM |
