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