Group 1 - The core idea of the article revolves around the cultural significance of "Dahan" (the Great Cold) and its connection to the Chinese New Year, emphasizing that Dahan serves as a traditional marker for the approach of the New Year [1][2] - Dahan is the last of the 24 solar terms, occurring around January 20 each year, and its proximity to the Chinese New Year varies, with the earliest New Year falling on January 21 and the latest on February 19 in the 21st century [1] - The phrase "after Dahan, it's New Year" reflects the deep-rooted cultural belief that Dahan signifies the start of the New Year celebrations, regardless of the actual date of the New Year [1] Group 2 - The anticipation of "Nianwei" (the flavor of the New Year) is highlighted, which encompasses the joy, harmony, and culinary delights associated with the New Year festivities [2] - During Dahan, especially after the eighth day of the twelfth lunar month, families across urban and rural areas begin preparations for the New Year, including discussions about visiting relatives and friends [2] - The New Year is portrayed as a significant event for the Chinese people, characterized by traditional decorations, festive meals, and the warmth of homecoming [2]