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