One option is that it means that at the exact same hour, or time of day, in each day, she is standing in the exact same place. This option leads to an extremely unlikely probability.

The second option is that it means at a single time if both trips were plotted simultaneously. In this case, there is a certain probability.

Both can be inferred from the original question, which I assume was the point of the exercise in the first place. Assuming that the other option is wrong is probably the only wrong answer here.