今日，大寒

Core Viewpoint - Major Cold, the last of the 24 solar terms, signifies the peak of winter cold and marks the transition to the Chinese New Year, highlighting various cultural practices associated with this period [1][2] Group 1: Seasonal Characteristics - Major Cold occurs between January 20 and 21, representing the coldest time of the year and the period with the least rainfall [1][2] - This season is characterized by frequent cold waves affecting the northern hemisphere, indicating extreme cold conditions [1][2] Group 2: Cultural Practices - Numerous folk customs are observed from Major Cold to the Chinese New Year, including eating glutinous foods, cleaning homes, and preparing for the New Year [1][2] - The Laba Festival is celebrated during this time, featuring the preparation of Laba congee, symbolizing warmth and well-being for the upcoming year [1][2]