The moment you're at your job is when your clock should start, unless your employer has demanded you do a 2+ hour commute or something. Ie, the moment they cont

The moment you're at your job is when your clock should start, unless your employer has demanded you do a 2+ hour commute or something. Ie, the moment they control what you do and can order you to do things like putting on a uniform. And the moment they can no longer do that is when the clock stops, ie once you've finished getting out of uniform and left.