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