The traditional Chinese calendar divides a year into 24 solar terms.
[1] Chǔshǔ, Shosho, Cheoseo, or Xử thử (traditional Chinese: 處暑; simplified Chinese: 处暑; pinyin: chǔshǔ; Japanese: 処暑; rōmaji: shosho; Korean: 처서; romaja: cheoseo; Vietnamese: xử thử; lit.
'limit of heat') is the 14th solar term that signifies the end of the hot summer season.
It more often refers in particular to the day when the Sun is exactly at the celestial longitude of 150°.
In the Gregorian calendar, it usually begins around 23 August and ends around 7 September.