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