There are total 9 hours or 540 minutes from 3pm to 12am. In words, this duration is equal to nine hours or five hundred forty minutes.
How many hours from
| 8AM to 9PM | 2AM to 10AM | 1AM to 2PM |
| 1AM to 6AM | 7PM to 12PM | 1AM to 12PM |
| 10PM to 4PM | 3AM to 3PM | 10AM to 10PM |
| 3AM to 4AM | 6PM to 4PM | 3PM to 12PM |
| 7AM to 11AM | 7AM to 7PM | 10AM to 9PM |
| 4AM to 7AM | 5AM to 9PM | 7PM to 2AM |
