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