The event ends today, and since I have been so busy with obligations, I made a point to get on RE6 this morning and play a few rounds of Requiem of War and Liquid fire, being sure to kill all the mutated thingies.
I synchronized, didn't think anything about it. I just checked though, and It seems for the event, it says something like 'finalizing scores', which my current score is 0 with a rank of -.
Did I miss the event? I'm guessing if I did, its because of time differences between Japan and US.