Dashu or Great Heat, 12th of the 24 solar terms 二十四節氣|二十四节气 23rd July-6th August
Definitions (粵典–words.hk)
名詞
二十四節氣之一；一年最熱嘅時期 Dashu
Definitions (Wiktionary)
name
the day marking the beginning of the 12th solar term (July 22, 23, or 24) in the midst of the three "fu" (伏) or ten-day periods when the heat is greatest
name
Dashu; Greater Heat (12th of the 24 solar terms)