Correct
冬至
/ dōngzhì /
Strokes
Definition
Winter Solstice, 22nd of the 24 solar terms 二十四节气 22nd December-5th January
Example
As a Noun
Winter Solstice ［beginning of the 22nd of the 24 solar terms］
As a Noun
Winter Solstice Day ［falling on Dec 22 or 23］