Thursday marks Lidong, or the Start of Winter, which is the 19th of the 24 solar terms on the traditional Chinese calendar. Although the temperatures aren't yet cold, winter is on the horizon across China.
As a tradition for Lidong, people celebrate the arrival of winter with nourishing foods. Due to differences in climate and culinary customs, the food enjoyed at Lidong varies between southern and northern China.
Reference(s):
Welcome the start of winter with China's Lidong food customs
cgtn.com