Date: June 6 (solar calendar)

Definition: "Mangjong" (芒種), which means "the first day of the grain harvest," is the ninth of the twenty-four seasonal sub-divisions, or solar terms, of the lunar calendar. It falls in the fifth month of the lunar calendar or around early June of the solar calendar.

Date: June 21 (solar calendar)

Denifition: "Haji" (夏至), which literally means "summer reach," is the tenth of the twenty-four seasonal sub-divisions, or solar terms, of the lunar calendar. The summer solstice falls in the fifth month of the lunar calendar, or around June 22 of the solar calendar.