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