I know this is too late to answer OP’s original question, but passing on my experience anyway. This past weekend I had bookmarked the webpage on my phone. We got to Royal Pacific before 8 but virtual queue was not open. While waiting for my son to ride Hulk I went ahead and set up my party. Non early entry people were released at 8:45 and shortly afterwards VQ opened. We got a spot at 9:00 and then the counter kept adjusting to a earlier entry. It was a little confusing where to enter the queue due to cast members holding up signs advertising the VQ QR code, but the entry was between the lockers. The end of the line once entering was at the top of the hill at the little huts, so not bad. Same thing on Sunday, VQ opened just before 9, except this time entry was at 10:30. Went straight to area between lockers, had to weave through crowd waiting for their time. This time there was no wait, a straight walk on, bit of a shock. On both days I had no success in getting a second shot. I guess the only advice I can give is to save a few seconds once on site and set your party up and start trying around 15 minutes before official park open. I did not want to risk the rescheduling feature since other posters have said your original time would be canceled and you might wind up with nothing.