HomeKit automation based on using a date

I am new to using HomeKit and shortcuts and want to use calendar date trigger color changes in exterior light colors. I have Kasa lights in exterior fixtures on my house that I would like to change color to match the current holiday and on other days just to be white. So for the month of December I’d like them to be red and green, and for Valentines Day just red, and so on. I don’t even know where to begin. I seems that a short cut might be where to start, but I don’t know how to get it to ignore the year since I don’t want to have to update these once they are set up.