That is not quite right - For example, YHWH himself named the stars... and I believe, The original constellations.
You are confounding a calendar with a religious rite. The solstice is a phenomenon that happens with or without religion ~
I am confusing nothing. The solstices are prevalent in pagan sun god worship - I can quite guarantee that YHWH would have *nothing* to do with those days. He tells us *not* to do what the pagans do and say it is for Him... It is an abomination. AN ABOMINATION.
YHWH does not change. If He didn't like it then, He doesn't like it now.
And I think that it is an 'abomination' because it distracts from what He is trying to tell us - Those days have significance, yet in all of Christianity, they are obscured to the point of insignificance.
Over and over again, the OT tells the story of the insidious incremental adoption of pagan rites and man made laws into what YHWH calls holy. Over and over again, it causes destruction.
You would do well to study the law as prophecy. Of course, adding to prophecy obliterates it's message... And as another point, as I said somewhere upthread:
The prophets describe the time of the Reign of the King, and there is not a single Christian holiday mentioned there - Yet (at least) three of YHWH's holy days are required practice for the whole world.
How do we get from here to there?
If He inspired the pagans to notice the solstice, that's good. We also notice it. We notice atoms, and subatomic particles, and fields, and just all sorts of things that are otherwise invisible.
If He inspired the pagans to notice the solstice, that's good. We also notice it. We notice atoms, and subatomic particles, and fields, and just all sorts of things that are otherwise invisible.