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