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