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