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