There are total 2 hours or 120 minutes from 1pm to 3pm. In words, this duration is equal to two hours or one hundred twenty minutes.
How many hours from
| 9AM to 10AM | 9PM to 7PM | 4AM to 4PM |
| 10AM to 2AM | 11PM to 10AM | 4PM to 9PM |
| 1AM to 6PM | 8PM to 11AM | 6AM to 11PM |
| 2PM to 6AM | 12PM to 5PM | 7AM to 12PM |
| 4PM to 5PM | 2AM to 5AM | 4PM to 5AM |
| 10AM to 9AM | 5AM to 6AM | 11AM to 12PM |
