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