Astronomically Significant Days

Happy May Day! This time of year is astronomically significant and is known as a cross quarter day between the spring equinox and the summer solstice. Tonight is also the Full Flower Moon. But, it'll look somewhat smaller than normal, because

Happy Halloween! It’s an astronomical holiday — the cross-quarter day between the fall equinox and winter solstice (the actual date slips a bit, but Halloween remains the same). The Moon won’t be full until next week, but no one says you can’t howl

Happy Halloween! Believe it or not, today is an astronomical holiday—a cross-quarter day to be exact (like Groundhog Day in February).Halloween falls between the autumnal equinox and winter solstice and has been celebrated since ancient times