How I became a Mayan astronomer this morning.

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It was before my first cup of coffee. I noticed that I was completely blinded by the morning sun coming through my window. I closed the curtains for about 20 minutes until the sun became a non-issue. This happens about four days a year, twice in December, and twice in January. The date is January 10th. As we are approximately 20 days past Winter Solstice, it follows that the same phenomenon should occur about twenty days BEFORE Winter Solstice. That would be the very beginning of December. I'm going jot all this down and see if my prediction is right next late Autumn, assuming I'm still alive and living in the same place. Is this the kind of random observation that led ancient astronomers to chart the position of the sun, planets and stars "back in the day"? I'll attach my best ever sunset photo. I believe it was taken on December 28th, a few years ago. I was on a hike with a friend. The sun was setting directly over our famous Golden Gate Bridge. It follows that the best days for catching the sunset directly over the Golden Gate from that trail would be around December 28 and around December 14. Dang, now I want to visit some Mayan ruins and even Stonehenge.