Correct
夏至
/ xiàzhì /
Strokes
Definition
Xiazhi or Summer Solstice, 10th of the 24 solar terms 二十四节气 21st June-6th July
Example
As a Noun
Summer Solstice ［beginning of the 10th of the 24 solar terms］
As a Noun
Summer Solstice Day ［falling on Jun 21 or 22］