In which hemisphere is the direct point of the sun from winter to sun?

On the winter solstice, the direct point of the sun is in the southern hemisphere, on the tropic of Capricorn.

Above is the solar illumination map of winter solstice. The dotted line where point C is in the picture is the Tropic of Capricorn.

On this day, the sun is tilted to the northern hemisphere, and the solar altitude angles in all parts of the northern hemisphere reach the minimum. It is winter in the northern hemisphere and summer in the southern hemisphere.