the first point of Libra
first point of Capricornus
December solstice, the first point of Capricornus. The same as the winter solstice, the first point of Libra. The point of the intersection of the ecliptic and the celestial equator (equinoctial). When the sun is moving from the north to the south direction. It is denoted by the symbol . Also called the winter, or December, equinox.