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