Kym @ The Evening Sky Map: The December solstice occurs at 15:01 UT (now) on December 21st 2025. This is the instant when the Sun reaches the point farthest south (–23.5°) of the celestial equator marking the start of winter in the Northern Hemisphere and summer in the Southern Hemisphere. 🔭

The December solstice occurs at 15:01 UT (now) on December 21st 2025. This is the instant when the Sun reaches the point farthest south (–23.5°) of the celestial equator marking the start of winter in the Northern Hemisphere and summer in the Southern Hemisphere. 🔭