There are total 1 hours or 60 minutes from 12am to 1am. In words, this duration is equal to one hours or sixty minutes.
How many hours from
| 12PM to 4PM | 3PM to 3AM | 12AM to 3PM |
| 1PM to 3AM | 3AM to 11AM | 3AM to 10PM |
| 10PM to 9PM | 5PM to 6AM | 1AM to 10PM |
| 9PM to 8AM | 3PM to 4AM | 6PM to 5PM |
| 2PM to 10AM | 3AM to 12PM | 9PM to 2AM |
| 3AM to 4PM | 3PM to 4PM | 11PM to 7PM |
