Yule : Mistletoe, for what it's worth, is a good plant (e.g. a good food source for birds) but it gets invasive on the trees on which it's a parasite. So keeping it trimmed out is *good for the trees* and good for you getting kisses at Yuletide.
Burning bowl ceremony - let go of the old that no longer serves to make way for the new as you welcome back the sun. Write what you no longer want in your life on a piece of paper. Burn it, blow, fling, or paour the ashes in a lake, stream or into the wind off and away from your property as you say be gone and let it go from your thoughts.
Earth's seasons, equinoxes & solstices Season to Season: Earth's Equinoxes & Solstices that awesome graphic that was here on March 20th, is now in Astronomy, & Science & Nature > Earth Science and > Weather.