90 Degree Phase Shift, I think I get it.

[APeacefulWarrior]

Why would higher dimensions be oriented differently than us when we're all stacked infinitely layer-upon-layer with each other overlapping??

We're stacked dimensionally as well. It's not like layers of paper stacked on top of each other with a clear up\down. Earth, as I see it, is in a nested dimension relative to 5- or 6-D existence in the same way the Dragonborn is in a nested dimension relative to us. The world we see and the landscapes in it are merely fluctuating vibrations of energy when "seen" from higher levels. So how could our directions have any meaning to those higher dimensionalities?

I'd say that the source of creation is its own direction, due to its nature as vibration. The direction of creation is inwards and outwards. Like a ripple in a pond, the important directions are in\out, because those directions are only relative to the vibrational source itself. It doesn't need outside geography to have that directional nature.

And once felt, your mind can turn towards it regardless of your bodily orientation.

(But, that said, symbolism can be important in these things, and nothing's to say the planetary vibrations aren't pointing you in certain ways. So if you strongly resonate with East, by all means, face whatever direction makes you happy. )