There are total 1 hours or 60 minutes from 1am to 2am. In words, this duration is equal to one hours or sixty minutes.
How many hours from
| 2AM to 11AM | 12PM to 6AM | 9AM to 12PM |
| 9AM to 1AM | 6AM to 9PM | 8AM to 5AM |
| 10AM to 7AM | 6AM to 5PM | 10AM to 6PM |
| 1AM to 6AM | 3AM to 4PM | 4PM to 1AM |
| 12PM to 6AM | 1AM to 12PM | 4AM to 6AM |
| 10PM to 7AM | 5PM to 4AM | 11PM to 10AM |
