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