If you read the labels for the graph, it says "local time" of the user / fraudster. If we didn't take into account the local time of the user, the data would no

If you read the labels for the graph, it says "local time" of the user / fraudster. If we didn't take into account the local time of the user, the data would not be very interesting to look at (mostly uniform) since we have users from all over the globe.