I think they're question marks because I copied and pasted from the newspaper's newsletter.
So, you're asking for a ritual or observance of some sort? Here's something you can do. Observe where the light comes in a certain window at noon or a time of your choosing. Hang a special image there on the wall, or make a little mural or something. I have a painted turtle shell (by a Native American artist, that I'm hanging in the light of the summer solstice.