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