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