It does.
Who points to it - about which direction to face while bathing?
Maha Swami.
Where He premises this at?
Our Sastras.
In our Hindu philosophy and culture, way of life, every single thing, almost none left, in life is as prescribed in Sastra. Right from bathing till the final rites, and even beyond - instance: pitru darpan, need to feed birds on Amawasya days, etc.
Here we focus on bathing directions.
In olden era our elders, Rishis took bath in rivers. When times changed and people had to migrate to cities and live in apartments, bathing in rivers evaporated from memories. The bathing now happens under showers and in bathtubs.
Sastras go or has to go compatible and flexibilities are the ways.
How did our elders and Rishis in aeons bathe in rivers? Especially in what direction?
General saying is 'go with the flow'. But while bathing in river, the rule is just the other way round. To face the side, direction the flow is coming from.
Back to our apartment life, face Eastward while bathing. East is the best to do any good deed - Karma.
Why these Sastric prescriptions - on bath in particular?
Bathing is not just to cleanse the body. It's to elevate feel-good spirit of the soul - ஆன்ம பலம் பெறவும் தான்.
Many realtors advertise that their wares are vastu-tailored. If shower is not positioned in such a fashion - to enable facing East while bathing -, time it's to change.
May you be in Bliss
And
Be in Almighty 's shower of all good 👍.
