15:45 there is an actual 2 prong tool for that, you should buy it. The FSM procedure to preload bearings on reinstallation requires such, and you should follow that procedure
Easier to remove the lowerball joint with the LCA still on the car. As for the actual removal of the BJ, you should un stake x4 on the nut before you blast it off, even with a impact ... You might as well replace them while you are there, you don't want to have to do this job again just for the BJ.