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