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