Happy Equinox Day!
Happy Autumnal Equinox to friends in the Northern Hemisphere!
Happy Vernal Equinox to friends in the Southern Hemisphere!
[Image description: a design based on the Yin-Yang symbol on a black field. The upper right shape is colored a pastel violet, with dashes of pale blue and green. The lower left shape is colored a dark brown, with dashes of rust and pale olive. Description ends]