Correct

大暑

/ dàshǔ /
Strokes

Definition

Dashu or Great Heat, 12th of the 24 solar terms 二十四节气 23rd July-6th August

Example

As a Noun

Great Heat; Greater Heat [beginning of the 12th of the 24 solar terms]

As a Noun

Great Heat Day [falling on Jul 22, 23 or 24]