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